After a confrontation, Tae Yi decides to take Se Heon seriously, but it also brings back memories of his past.

Joo Ha invites Se Heon to sing at a karaoke bar, and his actions towards Se Heon anger Tae Yi.

An accidental kiss leads to a confrontation between Joo Ha and Do Yoon. Tae Yi unexpectedly faints at school which raises Se Heon's concerns.