It tells the story of college student Shen Zhixia, who wakes up early every day to save seats for her three roommates, only to be met with picky complaints and grievances. Unable to bear it any longer, she decides to stop helping. The roommates are forced to take turns saving seats, but constant conflicts arise over trivial matters such as waking up early, forgetting books, and swapping shifts, until they all eventually quit. After going through quite a toss and turn, they finally realize that others' efforts are not taken for granted, and true friendship requires respect and boundaries.