Un tímid conserge es muda a una habitació, on una noia va intentar suïcidar-se llançant-se per la finestra. A mesura que passa el temps, el nou llogater comença a témer que els seus veïns intentin provocar-hi un estat de paranoia que l'indueixi també a saltar per la finestra.
A police chief takes in a young child she finds near the site of a mysterious accident who has no memory of what has happened. The investigation draws her into a conspiracy larger than she ever imagined, and the child’s identity is at the center of it all.
