Every year, several million single women in America move into an apartment. They don't know who lived in the apartment before them, they don't know their landlords, and they don't bother to change the locks. This is the story of one such woman. After separating from her adulterous husband, the beautiful Dr. Juliet Devereau moves to Brooklyn, NY, and settles into a new life in a stunning loft apartment that seems too good to be true. Soon mysterious occurrences lead her to suspect she is not alone in her home and quickly her fears become all too real.