Perjanjian Gaib

The story of a young couple named Andry and Wati who have just received a job to take care of a grandmother who is about to have a birthday. But who would have thought, the grandmother actually suddenly died on the first day Andry and Wati took care of her. After the death, it seems that Andry and Wati have to face the terror of their grandmother, who apparently has a hidden secret.