Choi Hyo-eun

After losing her memory in an accident, a bullied high school orphan finds herself in the place of an identical-looking girl who's gone missing.

A billionaire struggles with dissociative identity disorder after a traumatic childhood – can a newbie psychiatrist help him unite his alters?

Prosecutor Cha Woo Jin lost his first love, Kim Seung Hee 15 years ago. He then meets a high school girl, Jo Eun Bi, who looks like his first love. Their meeting unleashed secrets and chain of events between Cha Woo Jin, Seung Hee, Jo Eun Bi, and the criminal.

Three men who share a past participate in a mixed martial arts reality show where they have to fight against other contestants to win the prize money.