Yong-hyun moves into a creepy apartment which seems somehow familiar to him. His apartment was formerly occupied by a writer who burned to death in his room, but that doesn't seem to bother the detached young taxi driver. Across the hall from him is Jin-young who endures daily beatings from her husband. Her husband knows of a brutal murder that occurred about 30 years ago within the walls of this building and mysteriously touches on all their lives. Strange secrets begin to reveal themselves sending the characters down a path of terror...