Kim Seo-Joon is a genius app developer. He believes blindly in big data. He looks cold-hearted, but he actually has a warm-heart. Kim Seo-Joon meets a woman who is a romanticist and he falls in love with her.

Oh Dong-Joo has dated only one man in her life and they have dated for the past 10 years. Suddenly, the man breaks up with her, leaving Oh Dong-Joo shocked and confused.

Joon-Ho is 17 and he doesn't have any immediate family members. He gets a new guardian, who is his uncle. His uncle tells Hoon-Ho to call him Audrey Hepburn. Joon-Ho doesn't like his uncle.

Soo Yeon decides to commit suicide to end the bullying she goes through at school, when a savior appears. A woman punishes the bullies on behalf of Soo Yeon and saves her from the reality of hell.

The story tells of a brave woman who fights to recovers her rights and overall discrimination on women in society.

Choi Soo-A makes the last meal for death-row convicts before they are executed. Kang Min-Joong is a death-row convict, but he is unaware of his dire circumstances due to his mental illness.

Yoon-seul experienced something unforgettable at the age of 19. Occasionally, when she returns to her hometown, she confronts Jin-chul about his failure to apologize for a decision he made at the same time.

Im Hun-Sik has lived his life for his family. One day, he hears news that singer Jin Choo-Ha is returning to South Korea. Im Hun-Sik has liked Jin Choo-Ha since he was young. He is excited by the news but soon finds himself being pulled back by his responsibilities.

Yeon-Soo is a veteran police officer. She appears cold to others, but she actually has a warm heart. She begins work on an island, where she finds unacceptable things taking place. Yeon-Soo begins to investigate the ordinary residents there who do not seem to feel any remorse over the events.

Han-Soo is addicted to gambling and he is chased by a loan shark. His life is in danger. Han-Soo turns to his younger brother, who works for a large company, for help, but he can't find him anywhere. His younger brother has gone missing.

Kim Soo-Hee is an ordinary office worker. She is set to marry her boyfriend soon. Suddenly, whenever she hears something that she does not like to hear, her ear bleeds. Her ordinary life now changes.

Yang Ik-Seung came to Seoul by himself. He started a business, but that failed. He has been working as a taxi driver for the past 3 years. One mourning, he wakes up and he cannot not remember what happened the past 8 hours of last night. One billion won in cash appeared in front of Yang Ik-Seung.

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Park Jong Hyuk works as an assistant manger at a construction company. At night, he writes romance online novels under the pen name of "Mirinae." Yet, Park Jong Hyuk has never had a girlfriend.

In the past, Jae Ho tried to commit suicide. He now works at company "Picnic Day." They go to the homes of the recently deceased and pack away their possessions.

Oh Moon-Sook has worked at a bank for the past 2 years. She struggles to get from her current contract position to a permanent position.

Na In-Sook is in her 60's and she has devoted her life to her family. To make some extra money, she begins a part-time job cleaning up a billiard hall. There, she discovers her talent for billiards.

Byung-Doo is part of a voice phishing group. His job in the group is to withdraw money from the victim's account and deposit the money into bank accounts they control. One night, Byung-Doo and his partners cause big trouble. They are then chased by Boss Kong from their criminal group.

Joo-Young works at a small office and is indifferent to the world. Wanting to separate her personal life from her wor, she buys a used cellphone with the help of which she finds out middle-school student Hee-Joo, the previous owner of the cellphone, is being bullied on social media. Joo-Young, who normally doesn't care about other people, tries to save Hee-Joo.

Sometime in the near future, a father is diagnosed with an incurable disease and told he doesn't have much time left to live. The man begins to build an AI clone of himself for his son, not wanting him left all alone after his passing.

Byung-Tae is a pension owner with nothing to live for, while Kyung-Soo is a pension customer who wants to die. Their lives change when mysterious woman Yoo-Rim appears in front of them carrying a lot of money.

Hong Hee-Soo used to be a popular movie director, but nowadays she is in a slump. While looking for a writer for her new movie, she is re-united with ex-boyfriend Kim Pil-Ki who after he breaking up with her, became a successful dramatization writer.

On their wedding day and right before they are to go on their honeymoon, Sim Jung-Woo's newlywed wife has a car accident and dies. Sim Jung-Woo is unable to resume his ordinary life. He begins to live with his late wife's family at their house and he encounters an unexpected situation.

Kim Jin-Mook and Choi So-Hae have been married for 8 years and they have a 7-year-old son. Kim Jin-Mook is a huge fan of actress Kim Hee-Seon. Kim Jin-Mook begins to receive calls from someone named Kim Hee-Seon. Choi So-Hae wonders if her husband is having an affair and even their 7-year-old son leaves home to find Kim Hee-Seon.

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