After Jin breaks up with Aim, he meets a law student named Bbomb, who he suspects is the person who Aim cheated with.

Tong sends Jin, Jack, and Keam to observe the soccer match between Law and Postgraduate students to better understand their competition in the upcoming match. While observing, Jin learns that he will be facing off with Bbomb in Engineering's next match

Jin makes it clear to Bbomb that he is only able to be his friend; their friendship grows as the semester draws to a close.

Jin opens his heart to Bbomb as they begin to stay in the same room more and more frequently.

Jin and Somsom's date ends with disappointment for Somsom. Meanwhile, Bbomb prepares a special song with his band.

Jin begins rehearsals with Mark at the drama club. The engineering and law students participate in a service activity.

Jin struggles to memorize his lines for the play. After getting locked out, Keam asks Ball if he can sleepover. Jay is privately working hard on a new song.

Jin is curious about how BBomb is getting in touch with someone. Because of this, Jin got drunk at a drinking party, but he doesn't answer when asked what happened to BBomb. On the other hand, BBomb is pranked by his friends.

A misunderstanding sends Bbomb home for the holidays on poor terms with Jin. Aim takes Jin to Bbomb's childhood home for a chance to resolve their problems.