Bae Jae-young

A mystery high-teen death game in which a mafia game takes place for students in Class 2 and 3 who left the retreat and the intense psychological warfare of cheating and deception and the breathtaking tension.

Geo-Wool moves out after arguing with her brother Du-On. At her new Baekse Apartment, she hears mysterious noises through the floors at 4 AM. Unable to sleep, she and her neighbors investigate the sounds' source.