While investigating her lookalike, Joon Hee receives a strange package. Kwon Min Joo develops a friendship with her crush but soon faces a huge letdown.

Joon Hee tries to make sense of Min Joo's recollections that get jumbled up with her own. Nam Si Hoon discovers a new side to Min Joo.

As Joon Hee struggles to distinguish reality from her dreams, she receives an old diary that contains a shocking truth.