A small fire 20 years ago plunged Sakura Apartment into an unprecedented atmosphere of terror... I don't know who spread the word that as long as you live in Sakura Apartment, you will be caught in the curse of death... Miangguang is a college student who moved into Room 504 of Sakura Apartment because he could not afford the high accommodation fees in other apartments. What happened in Sakura Apartment? Who is Sakurako upstairs? All the answers seem so confusing...