A devoted single mother, Constance, struggles to balance her newfound love with Leo and the obsessive, destructive behavior of her son, Anthony, who will go to extreme lengths to keep her to himself.

When Kate moves into a new house with her estranged teenage daughter she gave up for adoption, an ominous presence lurks and they can’t shake the feeling they are being watched. Secrets unravel and terror escalates culminating in a bloody showdown.