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.
The lives of six girls belong to different worlds although connected to each other through a doll called Molly, whose existence dates back to 1976, when she appeared among the rubble of the great fire of the San Carlos orphanage, in northern Spain.