Lee Su Hyeon, buried his raped and murdered wife 91 days ago. When he moves out to a new flat, he begins to be haunted by the spirit of a girl who died. In his condo, he sees a ghost similar to that of his own dead wife, making his nosy neighbours hungry for sensation and gossip. Soon, the man begins his own investigation and the results bring about an unexpected effect -- particularly because each of the residents seems to be somehow associated with the deceased tenant. But the biggest problems is that the hidden lies and sins of Su Hyeon start to show up.