Recently paroled Bobby Reynolds attempts to make a new life for himself by getting a job with Hector Rodriguez who owns a car repair shop, reconnecting with Alyssa, his former girlfriend, and moving into his mother's apartment, vacant since her untimely death while he was in prison. Upon arrival, he is soon plagued by strange occurrences in the apartment and bizarre encounters with his neighbors, particularly Gina, her abusive cop husband Walter, and their daughter Carly. When he begins to investigate, Bobby discovers that his mother had locked herself in her apartment for weeks before she died and he comes to the realization that her death is somehow linked to the tenants of the building, who he believes are now coming after him. As he fights to uncover the truth, terrifying secrets are revealed and Bobby must find a way to fight the echoes of the past before they kill him and those he loves.