Part 01 (EP.01-03) : Yun Su, a new resident from Cheonan, moves into a shared house and tries to hide his identity, but his roommate, Ha Jin, catches him out, sparking a delicate emotional battle. Through punishment dates and casual flirtations, the two move beyond pranks and threats, becoming drawn to each other. However, Ha Jin’s sudden departure and public confession spark a conflict, forcing Yun Su to choose between secrecy and honesty.

Part 02 (EP.04-06) : Following the events of the first season, which focused on the psychological game between the roommates, this sequel follows Yun Su as he moves into a new house while trying to understand his relationship with Ha Jin. There, he meets his new roommate, the personal trainer Tae Hyeon, creating a new physical tension. What will Yun Su do?