In Kansas City, the deranged middle-age Donna Germaine stabs and kills her lover, when he calls off their relationship to stay with his wife. Donna uses an excuse to move to the house of her aunt, and she becomes obsessed in their neighbor, the executive William Costigan. The sick Donna plots an evil scheme to take William from his wife Jeannie Costigan.

Lauren and her retired lawyer father, Stan, move to Philadelphia to start a new life in a peaceful neighborhood. However, they soon learn the previous owner of their house was murdered and that his wife was sent to prison for the crime. Stan takes an interest in the case, and the more he digs into the past, the more he is convinced that the woman convicted of the killing is innocent. Unfortunately, Lauren and Stan's neighbor will go to any lengths to ensure the truth doesn't come out.