They say you are the guy my mom warned me about. They say you are a bad idea. But I know underneath that tough guy is a coward little boy, afraid of getting his heart crushed again. And that made me want to know you more.

Jiyong suddenly disappeared from Dara's life one night. Five years later, he's now back... but he doesn't remember anything about Dara. What would happen to these two strangers with memories?