A former mental patient's repressed anger reaches the boiling point, leading him to embark on a mission of revenge against the thugs who once subjected him to severe physical and mental trauma.

Dahlia and her five-year-old daughter are ready to begin a new life together. But their new apartment — dilapidated and worn — suddenly seems to take on a life of its own. Mysterious noises, persistent leaks of dark water and other strange happenings send Dahlia on a haunting and mystifying pursuit — one that unleashes a torrent of living nightmares.