"Everyone gives a second chance, but not for the same error. "

"It is a typically human flaw: look hard to hide a fragile soul."

Park Hanchun, a girl who became an orphan at the age of five years, is in search of the men who killed his entire family. Also driven by the desire for revenge, even to find their killers, she moved to Seoul, the native land of his parents, just turned eighteen. Having no family alive she is forced to live in an apartment by herself with Ms. Cha, the waitress who was serving her parents for many years. Meanwhile continues his senior year at Yeogang High School where she met Kim Mingyu and Mark Tuan two boys that will prove a help or a hindrance to her?