After her neighbor is brutally murdered, a woman installs a new security system in her home and adopts a Doberman for protection. But when her dog is rushed to the vet, she's left alone to outwit the murderer, who is now targeting her.

Following their mom's death, two sisters renovate a neglected house they've inherited from her. But when one of them suspects their mom may be haunting them after a series of unexplained occurrences, it leads to a sinister discovery.