Tin Yat Hung, a real estate agent who is also a bachelor, is having trouble hitting his sales quota. One day, he meets a new friend, Siu Muk, at a bar and soon discovers that he's his new colleague and soon, his new roommate. When Tin Yat Hung uses his boss's phone to take a group selfie, he finds out that his boss has been secretly taking photos of him.

KK goes on a holiday with his wife, but when Tin makes a mistake with the booklets, he decides to come back and help the team. A minor accident happens to Tin. As a result, KK voices his intention to divorce Francesca, and Siu Muk ends up kissing Tin.

Tin feels troubled when Siu Muk pretends as if nothing has happened after he kissed him and confessed to him. Tin ends up seeking advice from his colleagues. Meanwhile, Francessa goes up to KK's office to find out who Tina is while Siu Muk and KK are fighting over Tin on the rooftop.

Francesca suspects that Tin is the third party when she stumbles upon his employee record at home. She tricks Tin into believing that she's a client. But later on, Tin and Francesca are convinced that Tina is KK's mistress, and together, they set out to find out who Tina is.

When KK plans to throw a birthday party for Tin, Tin comes up with an idea and gets Tze Chin to pretend to be his girlfriend. Tin runs into Darren's son, Ryan, while he's on his way to work. When he finds out that Darren is divorced and refuses to see his son, he and Siu Muk try to help mend their relationship. After Darren's incident, Tin finally makes up his mind to talk to KK

Tze Ping shows up at Tin's workplace in an emergency when a con artist tricks him into signing over his house. When someone forecloses Tze Ping's house, Tze Chin moves in with Tin and Siu Muk, and things start to get a little complicated.

Francesca has finally let go of the past and persuades KK not to give up on the person he loves. Meanwhile, Siu Muk decides to move out when he sees how close Tze Chin and Tin get, but Tin tries to stop him. Stuck in the middle, Tin has to decide between his two love interests.

Tin says yes to Siu Muk, but he is afraid to let others know about their relationship. Meanwhile, KK and Francesca finally sign the papers and part on good terms. Tze Chin takes Louis' advice to confess to Tin, but she is a step too late.

KK puts Tin in charge of a client who happens to be having an underground relationship with Siu Muk's client. When both their clients are at odds over their relationship issues, they have to step in to help. As the incident dawns on Tin, he decides to make a jaw-dropping announcement at work.

When KK learns that Tin is with Siu Muk, he's crushed but decides to pursue Tin again when Francesca encourages him not to give up. KK takes the opportunity to confess and asks Tin to give him a chance while they are in Taiwan for a business trip. While Tin is away, Siu Muk helps his sister to find a new house.

Siu Muk takes Tin back to meet his parents, but his dad's reaction catches Tin by surprise. When they return from their trip, Siu Muk realizes that things might not work out for him and Tin. After seeing Tin and Tze Chin together as she confesses to him, Siu Muk finally decides to let Tin go.

After Siu Muk moves out, Tin's life becomes a mess again. KK decides to help Tin with his house chores and takes over Siu Muk's job. When KK is assigned to set up a new branch in Taiwan, he asks Tin to come along. However, Tin is still undecisive until he finally pulls one last try to win Siu Muk back.

When KK falls sick, Tin takes care of him, and somehow, Tin starts to feel a spark between him and KK. After a year together, KK suddenly pops the question, catching Tin by surprise. They return to Hong Kong for a reunion, and KK breaks up the happy news to their former colleagues, but is Tin truly ready to be married?

Tze Chin helps Siu Muk realize that he still loves Tin, so he asks Tin out, but fate decides to play tricks on them. After reading KK's letter, Tin chooses to go along with the wedding, but KK realizes Tin's inner conflict. Will Tin end up marrying KK, or will he finally be honest with his feelings?