Raina's life was threatened after she opened the door and entered an unnumbered room in the hotel managed by her sister, Fey. The figure of a woman with white hair and skin also made her presence known.

Raina and her sister moved to the city of Semarang to manage a hotel inherited from their father. Their grandmother, who had been managing the hotel, forbade them from going to the third floor. But for some reason, Raina went to that floor and found an unnumbered room. He opened the room and saw a mysterious woman. Since then, strange incidents began to occur and Raina's life was threatened.