Loneliness, past trauma and debts keep Dina trapped in a complicated life. Then she found the Sleep Call activity - a happiness and an escape from the real world, but it leads to terror and disaster.
Erwina, the youngest in the family was told to work in an old factory to help her family. There she realizes that it was a trap, and she was sent as a sacrifice from the family because they had a bloody debt to the devil.
