Description In: A disturbed new neighbor fixates on another woman's husband. 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.