Subash moves to Chennai and he lucks out with a cozy home owned by Janaki Amma. His childhood buddy Saravanan and the ever-restless friend Krishna are introduced. They are fun, warm and yet crazy. The boys fall in love with the terrace. Meanwhile, Mira and her friends are brewing a bold startup idea.

Subash wakes up one morning to find a girl on his terrace. She is Tanya, Janaki Amma’s niece. Tanya openly flirts with him while he panics. Subash, Tanya and his gang of friends come together to create memories filled with laughter, love and fun.

As Subash kick-starts his career, he starts making new friends. He stumbles upon a surprising other side of Janaki Amma. As life starts to settle, trouble comes knocking on the doors through Krishna.

Krishna brings a beautiful girl he picked up during his bike taxi ride to Subash’s place. Subash, caught off guard, panics about the entire situation. Krishna returns to his wife, leaving the girl to spend the night at Subash’s place. The next morning, as Subash discreetly sneaks her out, Mira happens to witness it. Jumping to conclusions, she assumes Subash is a player who frequently brings girls home. Later, Janaki Amma announces her upcoming trip to the USA to visit her sons. Taking advantage of the situation, Tanya seizes the opportunity to tease Subash.

Subash and the gang begin preparing Janaki Amma for her first ever international trip. They take her shopping and even coach her on navigating airport procedures. Meanwhile, Mira warns Tanya to stay away from Subash, calling him a red flag. Mira and Subash bicker like cats and dogs over Mira’s coffee shop on the terrace. As Janaki Amma’s departure nears, emotions run high. The entire gang grows sentimental, realizing how much they will miss her.

Tanya effortlessly inserts herself into Subash’s day, following him everywhere like a shadow. She creates chaos by talking nonstop, interrupting his routine and turning every moment into a spectacle. By the time he drops her at the bus stand, Subash is more than relieved. She asks him for a goodbye kiss, and Subash reveals that he already has a girl. A disappointed, teary-eyed Tanya boards the bus and leaves.

Subash, Krishna and Saravanan have a conversation in the terrace one night. Drinks flow and soon their conversation spirals into a hilariously chaotic, no-filter boys’ talk. Krishna takes them meet a so-called “immortal” astrologer, an eccentric man who claims he’s lived for 600 years by surviving solely on air as his food. And there is a lot of fun drama that follows.

Mira and her gang barge into Subash’s terrace at the crack of dawn, disturbing his sleep and ends up getting scolded. But when night falls, they turn the terrace into a cosy, discussion-filled strategy hub, much to Subash’s irritation. He calls in reinforcements, Krishna and Saravanan. They arrive at the terrace, kicking off a chaotic, laughter-filled night that ends in a happy morning hangover for every one of them.

Mira and her gang embark on a café-hopping adventure, tasting treats and gathering ideas for their dream café. With Janaki Amma’s home now their HQ, they slowly take over, leaving Subash in chaos. Monty swipes Saravanan and Subash’s food order, leading to a hilarious showdown. But amidst the madness, a late-night encounter with a creepy admirer leaves Mira shaken, grabbing onto Subash for help. As the two walk home together, Subash can’t shake the feeling of The moment they had experienced. He smiles.

Subash clears his UPSC prelims. Mira is overwhelmed when her parents offer to financially support her dream café. Subash meets a Joint Commissioner from Madurai. The JC takes an instant liking to him and extends a warm invitation for a weekend coffee. Subash visits the officer’s home along with Jenny and they have some insightful conversation.

Subash and Jenny begin combined study sessions for the UPSC Mains.Subash takes a break in Madurai, cherishing time with his mother and friends. Back in Chennai, Mira’s café is nearly 70% complete. Monty accidentally drops an important pen drive onto Subash’s balcony, forcing them to sneak into his room. Mira stumbles upon Subash’s vision board. His dreams, his discipline, his drive - it all contradicts the image she had of him.

When Subash gets back from Madurai, he figures that the terrace of his house has been converted into a welcoming coffee shop. Meanwhile, Shiva becomes aloof at his academy because he is disturbed by Subash's close vibes with Jenny. Saravanan and Subash visit the cafe and leave a critical evaluation.

When the cafe upstairs disturbs Subash's peace on many levels, Guests treat his doorstep like an ashtray. This leaves him sleep-deprived and in a downward spiral. Meanwhile, Rahul and Monty get into problems because of their insane craving for alcohol. Meanwhile, Saravanan and Subash, who casually have a chat, suspect some illegal activity at the cafe. But before they can take action, everything collapses, leaving them staring at the wreckage of a situation they never saw coming.

Chaos erupts as the police raid the cafe, arresting a drug peddler along with Mira and her friends, leaving Subash in shock. Rahul and Monty, meanwhile, suffer severe repercussions for their careless behaviour. Monty believes Mira has come to save him in the station, only to discover that she has also been arrested. Subash shows up as an unexpected saviour during her lowest moments. A helpless Krishna comes home and uses a made-up explanation to sidestep his wife's inquiries. Mira is unreachable, which worries Monty. Subash comforts his anxious mother, but he still worries about Mira. Will the cafe make it through this disaster?

Meenakshi, an upcoming social media influencer, finds out that her parents have selected Saravanan as one of her ideal groom options. Meanwhile, Shiva anxiously waits for Jenny's reply, which would change his life. Krish and Subash offer humorous dating tips to Saravanan, who is very excited about meeting Meenakshi, his potential bride. At the IAS Academy, Subash and Jenny discuss on the concept of Bestie. Back at the cafe, Mira is busy renovating the vibe and greets new customers who visit her cafe for the amazing terrace vibe. What happens next?

After tackling multiple setbacks, Mira and her gang relaunch the café with fresh energy. A small hiccup with the police refund prompts Mira to seek Subash’s help for the first time.

Krish's wife, Riya, gets suspicious about his preoccupied behaviour. Krish panics about his affair with Raveena coming out in the open. As Krish comes over to Subash's place to seek advice, he meets Mira. Seeing him worried, Mira insists on a quick chat. As Krish opens up about the whole situation, Mira hears a lot of surprising revelations about Subash and his deep respect for women, as well as his admiration for Mira’s confident, bold and entrepreneurial spirit. Meanwhile, Jenny hits rock bottom as her father gets locked up in a corruption case. Subash rushes to meet her.

As Subash’s great-grandfather’s health takes a sharp turn for the worse, the family rallies around his final wish—to see Subash married before he passes. Overwhelmed by the emotional pressure, Subash panics and blurs out a lie: he’s already in love with a girl in Chennai. Sceptical but intrigued, Subash’s sharp-eyed uncle, Muniyandi, decides to investigate the mysterious love story for himself and shows up at Subash’s place. Caught off guard, Subash names Jenny as the girl he’s in love with.

Desperate to keep up the act, Subash pleads with Jenny to play along a little longer. Just as Subash struggles to contain the mess, Muniyandi barges in, catching them mid-charade. Meanwhile, in a storm of her own, Riya discovers Krish’s affair with Raveena and heads straight to Subash’s house to confront him—only to step into chaos.

Subash and Jenny brace for Muniyandi’s questions, but he dozes off—only to spy on them later. To keep up appearances, they act like a lovey-dovey couple, which Mira watches with suspicion. Saravanan picks up Meenatchi, a quirky girl from Madurai, new to Chennai. Soon, Muniyandi interrogates the pair, and Mira joins in. Frustrated, Subash grabs drinks with Saravanan, only to be shocked that his family has agreed to marry him off to Jenny

Subash’s mother calls to say the family is happy with Jenny—then unexpectedly visits and forms an emotional bond with her. Worried by this, Jenny ends the act and leaves the house. On the way, she runs into Mira and finally reveals the truth, leaving Subash under extreme pressure.