In a stormy night of 1980s, CHU LEI is about to give birth but she is not able to go to the hospital in the heavy rain. With the help of her friends MO SIU-SZE, LAW FUNG-SIN, HUI CHUN-LEI, LEUNG KAM-YIN and LUK YUEN-CHAU, she gives birth to a baby girl successfully at the dance studio. SIU-SZE forgets to lock up the place and CHU LEI's daughter is abducted. Twenty years later, SIU-SZE has become a mother and she has just returned to Hong Kong from abroad. SIU-SZE tries hard to be a good wife but she is bullied by her mother-in-law all the time. SIU-SZE reunites with her secondary school good friend FUNG-SIN through a leaflet. She discovers that FUNG-SIN's parents have died and FUNG-SIN is managing the dance studio alone. When SIU-SZE leaves, FUNG-SIN asks her to attend the dance contest she will be joining but SIU-SZE cannot confirm her right away. SIU-SZE returns home and she recalls the happy memory with FUNG-SIN and CHU LEI……

CHU LEI and her fiancé LEK go to the family shrine to venerate the ancestors. They also make preparations for their wedding ceremony. In order to actualize FUNG-SIN's dream, SIU-SZE asks her brother CHI-KIN to find her secondary school old friends from the social networking website and she finds LEUNG KAM-YIN successfully. KAM-YIN and her husband open a real estate agency. After learning that CHU LEI is going to marry a rich man, they visit CHU LEI immediately. After discovering that CHU LEI has got friends in Hong Kong, LEK invites KAM-YIN and the other friends to their wedding ceremony. CHU LEI is worried after learning about the news. CHU LEI invites SIU-SZE and KAM-YIN for dinner but something surprises the two of them. When SIU-SZE and KAM-YIN arrive at the restaurant, their secondary classmate HUI CHUN-LEI is not allowed to enter the place. They later meet another old classmate YUNG DAN-DAN as well……

CHU LEI follows LEK to the night club and she is shocked to discover his secret. CHU LEI wants LEK to pay her a large amount of compensation for the separation but she ends up wandering on the street helplessly. After talking with CHU LEI's relatives, SIU-SZE discovers that CHU LEI has been living a tragic life after losing her daughter and SIU-SZE is very shameful. CHU LEI tries to sell her handbag at the second hand shop and she meets DAN-DAN. CHU LEI discovers that DAN-DAN has become the owner of a fitness center. DAN-DAN helps CHU LEI because she wants to vent her anger on a dispute in the secondary school. SIU-SZE visits FUNG-SIN at the hospital and she meets FUNG-SIN's half-brother FOOK-CHUEN. FOOK-CHUEN asks SIU-SZE to give FUNG-SIN an insurance agreement for her signature. SIU-SZE arrives at FUNG-SIN's sickroom and she discovers that CHU LEI is staying there……

FUNG-SIN stands on the rooftop dangerously. When all friends arrive, she starts to dance at the edge of the rooftop. In order to talk with FUNG-SIN, SIU-SZE and CHU LEI climb up to dance with her. Before entering the hospital, FUNG-SIN has given SIU-SZE the key of the dance studio but SIU-SZE worries that she will have no time to manage it and she discusses the matter with KAM-YIN. SIU-SZE asks CHI-KIN to help managing the dance studio for he has nothing to do at home. She recalls her dream in the younger days with FUNG-SIN and CHU LEI. SIU-SZE leaves the dance studio temporarily to handle something. CHI-KIN tries to repair the electrical appliances and he meets his dream lover. SIU-SZE checks out the bills and discovers that FUNG-SIN is in great debt because of the dance studio. CHU LEI has no where to stay and she decides to move to the dance studio. FOOK-CHUEN invites SIU-SZE and CHU LEI out for a meeting……

In order to organize party at the dance studio, FOOK-CHUEN has threatened FUNG-SIN long time ago. All classmates join the party together and SIU-SZE meets her dream lover CHI-LUN again. SIU-SZE and CHU LEI unmask FOOK-CHUEN but FOOK-CHUEN says that he will not give up. In order to preserve FUNG-SIN's dream and memory, SIU-SZE decides to continue managing the dance studio. She recalls the time when she organized "M Club" with five other secondary school classmates and she decides to invite them to manage the dance studio together. SIU-SZE invites KAM-YIN first but KAM-YIN rejects her right away. She then mentions it to CHUN-LEI but CHUN-LEI says that she needs to take care of her sick mother. SIU-SZE discovers that one of the "M Club" members YUEN-CHAU has become a significant government officer already. After learning about SIU-SZE's plan, YUEN-CHAU comments that she is silly……

In order to celebrate the 28th anniversary of M Club, SIU-SZE organizes a party at the dance studio but all members are absent. SIU-SZE insists to re-establish Cyndi Dance Studio and she invites CHU LEI to manage the dance studio together by offering her a high salary. SIU-SZE learns that her mother-in-law is upset for she has answered back. Her husband KWOK-LEUNG asks her to dress up and go outside so that he could question her. KWOK-LEUNG questions SIU-SZE why she has taken the risk to run a dance studio. SIU-SZE is scared that KWOK-LEUNG will divorce her but she tries to reveal her true feelings since she has promised her friend already. All M Club members claim that they will support SIU-SZE but they only treat the dance studio as a gathering place. CHU LEI tells everybody that she has met CHI-LUN again. In fact, CHI-LUN is the dream lover of everybody in their younger days……

CHU LEI and other M Club members meet up with CHI-LUN at the hot pot restaurant. While waiting for KWOK-LEUNG, SIU-SZE recalls her past memory with CHU LEI. When studying in the secondary school, FUNG-SIN knew that both SIU-SZE and CHU LEI are fond of CHI-LUN. CHU LEI pretends that she is drunk and she asks CHI-LUN to send her home. CHU LEI brings CHI-LUN to the dance studio and they meet SIU-SZE there. CHI-LUN has forgotten SIU-SZE completely and SIU-SZE feels sad. SIU-SZE wants to hire a dance instructor and KA-LAI immediately recommends herself to her. KA-LAI's dance steps are very intensive and the old student collapses. SIU-SZE discovers that a large fitness center is promoting their dance classes. She tries to enroll for the class with KA-LAI so that they could learn from them. However, the fitness center's boss DAN-DAN sues them for stealing her company's confidential information……

Long time ago, SIU-SZE decided to take revenge on DAN-DAN on behalf of M Club. She made DAN-DAN a fool in the dance contest and DAN-DAN hated her very much. CHI-KIN and his friend KAM-FAI go to watch a movie premiere at the cinema. CHI-KIN meets her dream lover KA-LAI again. KA-LAI mixes up the cinemas and CHI-KIN fails to watch the movie. In order to compensate CHI-KIN, KA-LAI treats him to dinner. KWOK-LEUNG is leaving Hong Kong for work. He leaves a cheque to SIU-SZE for contingency use. SIU-SZE starts managing the dance studio but she is worried for the cost of renovating the place is really high. CHU LEI decides to bring SIU-SZE to CHI-LUN's company for advice. CHI-LUN is shocked to learn that CHU LEI is visiting him for DAN-DAN is his important business partner...

SIU-SZE needs to pay for the renovation fees urgently and she tries to borrow money from her friends but the result is disappointing. SIU-SZE remembers that everybody used to accompany her to receive punishments in her younger days. SIU-SZE has no way out and she decides to use KWOK-LEUNG's cheque but her mother-in-law snatches it away. The hopeless SIU-SZE returns to the dance studio and she discovers CHI-LUN there. In order to increase their income, CHI-LUN invites M Club to take an advertisement job. KA-LAI is injured and she rests at the hospital. CHI-KIN visits her and brings her to watch meteorite rain at the countryside. SIU-SZE tells everybody about the advertisement job. YUEN-CHAU is not able to join for she is a civil servant. CHUN-LEI and KAM-YIN worry that their family members will object it……

KAM-YIN fails to have a baby after getting married for many years and she is very ashamed. KAM-YIN's husband TAI-HUNG cannot bear to humiliate her as well. KAM-YIN is heart-broken and she leaves home. She meets CHUN-LEI at the supermarket. CHUN-LEI has been living a life with no boyfriend for many years and she feels very lonely. The two of them hug each other tearfully and they console each other. YUEN-CHAU is a senior government officer as well as a mother but she is committing adultery with her supervisor LONG YING. On the other hand, CHUN-LEI meets the guy who deliver takeaway food again and the guy seduces her to the hourly hotel. However, the guy has got cannabis with him and he is captured by the police. Everybody decides to celebrate CHUN-LEI's birthday at the dance studio. However, since they are too old to express their worries to others, everybody are speechless during the celebration……

After learning that SIU-SZE will join the advertisement shooting, SIU-SZE's daughter wants to check them out as well. KAM-YIN and the others arrive at the dressing room for makeup but they later discover that their costumes are different from what everybody has agreed. They try to look for CHI-LUN but he has disappeared. SIU-SZE, CHUN-LEI and KAM-YIN decide to break the contract and leave while CHU LEI decides to continue with the shooting. SIU-SZE's daughter has taken video of them secretly and she uploads the video on the Internet. This makes all M Club members a laughingstock of the public. KAM-YIN and CHUN-LEI scolds SIU-SZE angrily. They even want to break off relations with SIU-SZE. This reminds SIU-SZE of their past memory. SIU-SZE discovers that CHU LEI has stolen money from the dance studio. CHU LEI therefore decides to leave and find another place to stay……

DAN-DAN and CHI-LUN were the campus belle and hunk in the secondary school. CHUN-LEI learns that CHI-LUN will go camping with his friends and DAN-DAN. M Club members decide to join as well. When everybody is playing beach volleyball, the volleyball is throw to the sea accidentally. SIU-SZE goes to pick up the volleyball alone and she is in danger. CHI-LUN rescues her and this touches SIU-SZE's heart. SIU-SZE is drunk after drinking in the evening and she kisses CHI-LUN for the first time. After leaving the dance studio, CHU LEI asks YUEN-CHAU to accommodate her but she is being rejected. She has no choice but to return to the dance studio and reveals to SIU-SZE honestly that she has stolen the money. CHI-LUN invites CHU LEI to meet up for CHU LEI is getting very popular. CHI-LUN's client appreciates CHU LEI very much and wants her to be the new spokesperson. CHU LEI is overjoyed with her success……

After becoming the spokesperson, CHU LEI is being interviewed by many media reporters. The business of the dance studio is improved drastically as well. CHU LEI discovers YUEN-CHAU and LONG YING dating. She tries to greet them but LONG YING leaves without leaving a word. YUEN-CHAU scolds CHU LEI. KA-LAI goes to watch the stars with CHI-KIN and KAM-FAI. KAM-FAI tells KA-LAI secretly that CHI-KIN is fond of her. On the next day, CHI-KIN arrives at SIU-SZE's dance studio for some repairing works and he meets KA-LAI. SIU-SZE introduces CHI-KIN to KA-LAI. KA-LAI is very shocked to learn that CHI-KIN is SIU-SZE's younger brother. KWOK-LEUNG is leaving for a business trip. Before departure, he reveals to SIU-SZE that his mother's health condition is getting bad.

Since CHU LEI has become very popular, the business of the dance studio is very good and SIU-SZE spends less time at home. KAM-YIN discovers that her husband TAI-HUNG is acting intimately with a female client and she suspects that they are committing adultery. CHUN-LEI is also troubled by the man who deliver takeaway food. KAM-YIN tries to air her grievances to CHUN-LEI. CHUN-LEI discovers that Lan Kwai Fong has changed completely and she sighs that she is no longer young. When CHUN-LEI wakes up on the next morning, she discovers that her mother is missing and she has left a strange message on the mirror. CHUN-LEI, KAM-YIN and SIU-SZE try to search for CHUN-LEI's mother together. They finally realize why she has ran away from home. In order to fulfill her mother's dream, CHUN-LEI, SIU-SZE and the others decide to help looking for her old lover. They then arrange a meeting for them at the pub……

SIU-SZE returns home and finds that nobody is there. Her mother-in-law was sent to the hospital because of an acute disease and KWOK-LEUNG scolds SIU-SZE for her carelessness. SIU-SZE decides to put aside the dance studio matters and take care of her mother-in-law wholeheartedly. CHI-LUN is making preparation for another advertisement but CHU LEI is late for a long time. CHI-LUN goes to the dance studio to look for CHU LEI but CHU LEI asks him to go picnic together at the park. CHU LEI is out of her mind after meeting a street performer at the park. CHU LEI returns to the dance studio and she recalls the time when she was dating with her secondary school boyfriend ROBERT. CHI-LUN and SIU-SZE go to visit CHU LEI at the dance studio. They discover that CHU LEI is behaving abnormally. CHI-LUN worries that CHU LEI has broke the advertisement contract of the tonic liquid. SIU-SZE asks CHI-LUN to help taking care of CHU LEI……

In order to encourage CHU LEI, SIU-SZE seeks help from CHI-LUN. CHI-LUN agrees reluctantly for he also wants CHU LEI to finish the advertisement. CHU LEI recovers but she misconceives that CHI-LUN is fond of her. SIU-SZE learns from her daughter that KWOK-LEUNG suspects that she is committing adultery. She asks CHI-LUN to help explaining to her husband but CHI-LUN asks her to help getting his beloved cat from DAN-DAN. KAM-YIN's real estate company is performing badly. TAI-HUNG suggests KAM-YIN to help out at the dance studio and KAM-YIN is delighted for his thoughtfulness. SIU-SZE invites CHI-LUN to have dinner with her and KWOK-LEUNG. CHI-LUN arrives to discover that CHU LEI is there for SIU-SZE wants to match them up. CHI-LUN invites SIU-SZE to the pub. He reveals that he wanted to reunite with her long time ago and he had asked DAN-DAN to deliver a letter to her before going to the UK...

CHU LEI tries to get close to CHI-LUN all the time. CHI-LUN cannot bear to reveal that he was only following SIU-SZE's instructions. SIU-SZE, KAM-YIN and the others discover that CHU LEI has gone for the whole night. SIU-SZE is worried and she goes to question CHI-LUN. DAN-DAN suddenly arrives and she is injured while quarreling with CHI-LUN. CHU LEI goes to the hospital to look for SIU-SZE. DAN-DAN tries to provoke her and damage their relationship. SIU-SZE receives a call from her daughter WONG HO's secondary school teacher. The teacher says that WONG HO has sexually harassed her female classmate. KWOK-LEUNG is very angry to learn about it. He urges SIU-SZE to stop working at the dance studio and take good care of the family. CHI-KIN invites KA-LAI to watch movie together. KA-LAI wants CHI-KIN to give up and she pretends that she has got a boyfriend. With the help of CHI-LUN, CHU LEI and SIU-SZE reconcile with each other……

KAM-YIN discovers that TAI-HUNG is treating her much better than before. CHUN-LEI and YUEN-CHAU believe that TAI-HUNG has done something wrong behind her. KAM-YIN is worried and she decides to follow TAI-HUNG secretly. She discovers that TAI-HUNG is chatting with a woman happily. After learning about TAI-HUNG's feelings, KAM-YIN recalls her past memory in the secondary school. KAM-YIN is ashamed for betraying her friends because of her husband. She tries to share her feelings with FUNG-SIN at the mental hospital. The community show is going to start soon. KAM-YIN sneaks into the dance studio when CHU LEI is not paying attention. She steals her mobile phone and damages the telephone at the dance studio so as to trap CHU LEI. CHU LEI eventually escapes and she rushes to the performance venue but the show has ended already. YUEN-CHAU scolds CHU LEI angrily and SIU-SZE doesn't believe that CHU LEI was trapped……

CHUN-LEI is framed by the teacher and she is requested to run around the playground as punishment. M Club members take revenge on the teacher for CHUN-LEI. The teacher's car is damaged and CHU LEI tries to take all the blame by herself. DAN-DAN visits CHU LEI and persuades her to join her fitness center. She also reveals the story between SIU-SZE and CHI-LUN to CHU LEI. SIU-SZE organizes a birthday party for CHU LEI at the dance studio and she brings FUNG-SIN to the dance studio as well. However, CHU LEI reveals that she will leave the dance studio. FUNG-SIN's condition is getting worse. KAM-YIN suggests SIU-SZE to sell the dance studio for paying FUNG-SIN's debts and medical expenses. KWOK-LEUNG asks SIU-SZE to concentrate on taking care of their daughter but SIU-SZE rejects him. CHU LEI joins DAN-DAN's fitness center. All M Club members try to question DAN-DAN and CHU LEI. They end up in discord……

DAN-DAN wants CHU LEI to be her good friend but CHU LEI reveals that they are business partners only. SIU-SZE fails to fulfill FUNG-SIN's dream and her family members are upset with her as well. SIU-SZE returns to her mother's place to take a rest. KA-LAI meets up with SIU-SZE for she wants to return to Norway. However, she finally agrees to take care of WONG HO for SIU-SZE. KA-LAI waits for WONG HO outside the school and she meets CHI-KIN accidentally. The three of them go to the coffee shop together for a chat. WONG HO tries to run away and she drops some adult publications accidentally. CHI-KIN and KA-LAI discover WONG HO's secret eventually. CHI-KIN and KA-LAI go to the pub together. CHI-KIN is drunk and he declares his love to KA-LAI. TAI-HUNG asks KAM-YIN to steal the authorization letter from the dance studio but KAM-YIN meets YUEN-CHAU and CHUN-LEI accidentally……

When SIU-SZE helps WING-MUI to buy something, she meets KA-LAI and she realizes that WONG HO has told lies. KA-LAI brings SIU-SZE to WONG HO. Instead of scolding WONG HO, SIU-SZE appreciates her for finding her dream. CHU LEI tries to hide away from ROBERT all the time. However, she brings him home when he is injured after an attack. They chat about their past and recall the time when they wanted to run away together. After realizing that ROBERT had deserted her because of YUEN-CHAU, CHU LEI goes to question YUEN-CHAU and she discovers that YUEN-CHAI is committing suicide. After recognizing each other, CHI-LUN and SIU-SZE always send messages to each other. SIU-SZE appreciates it a lot. When YUEN-CHAU stays in the hospital, she discovers LONG YING's scandal in a magazine and she immediately leaves the hospital to help him. When LONG YING is not there, his wife tries to give YUEN-CHAU a lesson and LONG YING scolds her.

SIU-SZE gives up operating the dance studio and she asks KAM-YIN to keep the letter of attorney for her. CHI-LUN returns home to discover DAN-DAN there. DAN-DAN's grandmother from Malaysia has arrived to visit them. In order to protect her feelings, CHI-LUN reluctantly agrees to pretend that they are still couple. WING-MUI discovers that WONG HO is making underwear and she strongly objects it. She even tries to destroy WONG HO's work. In order to protect WONG HO, SIU-SZE pushes WING-MUI to the ground and brings WONG HO to the contest venue. When they return home, they discover that KWOK-LEUNG is taking care of the injured WING-MUI. KWOK-LEUNG kicks SIU-SZE away. CHI-LUN invites SIU-SZE to meet up coincidentally and they go to watch movie together. KA-LAI says goodbye to CHI-KIN before leaving Hong Kong and she reveals that she is SIU-SZE's daughter……

After getting the HKCEE examination results, all M Club members return to the dance studio to take care of CHU LEI. The typhoon is on. Everybody has no choice but to help CHU LEI to deliver the baby at the dance studio. CHU LEI fails to find ROBERT and her daughter is lost because of M Club members. CHU LEI is devastated and she put the blame on SIU-SZE and the others. TAI-HUNG keeps pressuring to KAM-YIN and KAM-YIN eventually agrees to give him the letter of attorney. DAN-DAN tells ROBERT that CHU LEI was pregnant long time ago. ROBERT is very nervous and he questions CHU LEI. CHU LEI is very angry and she says that she is regretful with the pregnancy. KA-LAI overhears the conversation accidentally. CHI-LUN worries that he will damage SIU-SZE's relationship with KWOK-LEUNG and he tries to talk to KWOK-LEUNG. When they chat with each other, they discover that they have many things in common and they share similar views on women……

SIU-SZE wants to give KWOK-LEUNG a lesson. She asks him to apologize to her with flowers and candies. After buying the things for SIU-SZE, KWOK-LEUNG has got an accident. M Club members go to visit SIU-SZE and they discover that WING-MUI is sent to the hospital after the shock. On the other hand, CHU LEI is very depressed for KA-LAI refuses to recognize her and other M Club members have breakup with her as well. CHI-LUN believes that KWOK-LEUNG has apologized to SIU-SZE and he sends message to congratulate SIU-SZE. However, he later learns from DAN-DAN that KWOK-LEUNG was caught in an accident. SIU-SZE works hard to handle KWOK-LEUNG's matters and she cannot bear to quarrel with WING-MUI. SIU-SZE's father consoles her and she finally falls asleep. SIU-SZE quarrels with WING-MUI again because of KWOK-LEUNG's matters. SIU-SZE returns to the dance studio to handle the business matters and FOOK-CHUEN suddenly arrives.

FOOK-CHUEN provides evidence to prove that SIU-SZE's letter of attorney is fake. He forces SIU-SZE to give him the dance studio or he will sue her. Everybody goes to KAM-YIN's home to question her and KAM-YIN realizes that FOOK-CHUEN is TAI-HUNG's partner. DAN-DAN wants to reunite with CHI-LUN. She tries to date him all the time with excuse and CHI-LUN finds it unbearable. FUNG-SIN suddenly sneaks away from the mental hospital. SIU-SZE and CHU LEI ask CHI-LUN to give them a ride so that they could search for FUNG-SIN in different places. FUNG-SIN goes to the TV station for she wants to meet her idol. KAM-YIN questions TAI-HUNG about the dance studio matter and TAI-HUNG leaves angrily. FUNG-SIN invites all M Club members to come to the dance studio so that they could wait for their idol together but everybody thinks that this is unbelievable. KAM-YIN arrives after listening to the radio programme and she asks everybody to forgive her...