On the first day of university registration, ordinary girl Lin Qiao accidentally moves into room 602, the most watched dormitory in the entire school. With three roommates whose backgrounds are more astonishing than the last, she is pushed to the center of campus topics. Facing misunderstandings, comparisons, and doubts, Lin Qiao does not rely on anyone's halo, but proves herself through choices and challenges time and time again. The four girls with vastly different backgrounds also reap true friendship and their respective answers in shoulder-to-shoulder growth.