Yoora suffers from nightmares every night One day she meets her high school friends Jintae is a promising artist, Inseok is a chaebol and former thug, Hyejin likes Inseok, and Seongho, who used to be Inseok's errand boy, finally meet up Yoora asks her friends if they remember the classmate that killed herself Everyone is flustered and claims they don't Yoora goes to the bathroom, but passes out after seeing herself in the mirror Everyone gets in Inseok's car to send Yoora home, but they get into an accident and all become unconscious When they wake up, they are at a familiar school that's closed It was the school they went to that has closed down Why did they end up there, Yoora and her friends tremble in fear for their lives
