In a DVD-themed sex hotel, a young employee has hidden drugs in room #7 for criminals in exchange for wiping off his debt. But then his boss hides a dead body in the same room and locks the door. And a dangerous battle of wits ensues between a man who must lock away the secret behind the door, and another, who must go inside.
as Doo-sik
as Tae-jung
as Han-wook
as Real Estate Agent
as Vice-principal
as Superintendent
as Detective Woo
as Doo-sik's Sister
as Pawnshop Staff
as Drunk Man
as Tattoo Man
as Detective
