Tiffany catches Jessica at an event, which leads to a brief confrontation about the past and their unresolved feelings. Though both know better than to engage, there's something else pulling them together like a magnet after all these years.

This is nothing but a sad love story. 

Joon and Mir are always awkward with each other since their debut and no one knows why is that. What they will do if they are alone in the dorm one day? What will happened if one of them confess their feeling?