newspaper mentioning Jerry's earlier killings and comes to believe her stepfather is the murderer mentioned in the article. She writes a letter to the newspaper requesting a photo of Henry Morrison, but Jerry intercepts the photo in the mail and replaces it with a stranger's photo, allaying her suspicions. Curious about Stephanie's stepfather, who has repeatedly refused to meet him, Dr. Bondurant makes an appointment with Jerry under an assumed name, saying he wants to buy a house. During their meeting, Bondurant asks too many personal questions and Jerry realizes that Bondurant is not who he says he is, and, mistakenly believing he is an undercover cop, beats him to death and puts him in Bondurant's car. He then sets the car on fire. The next day, Jerry informs Stephanie of Bondurant's death, claiming he was in a car accident, and succeeds in bonding with her. Jerry's newfound relationship with his stepdaughter is quickly cut short when he catches Stephanie kissing her boyfriend, Paul. Jerry accuses Paul of attempting to rape Stephanie, which causes an argument with Stephanie and Susan, and drives Paul away. Stephanie runs out on Jerry and Susan because Susan says Jerry is her father, though he is not. The next day, Jerry quits his job and creates a new identity for himself in another town. He begins to court another widow, while planning to get rid of Susan and Stephanie. Having discovered where Jerry is now living, Jim begins going door to door, in search of his former brother-in-law. After Jim stops by, Susan phones the real estate agency to tell Jerry that someone was looking for him, only to be informed that Jerry quit several days ago. Susan asks Jerry, but, while explaining himself to Susan, Jerry confuses his identities and Susan realizes Stephanie was right about him. Realizing his mistake, Jerry bashes Susan on the head with the phone and knocks her down the basement stairs. Content that Susan is dead, Jerry then sets out to kill Stephanie. Jim, who has realized Jerry is the man who killed his family, arrives wielding a revolver, but Jerry stabs him to death before Jim can shoot him. After terrorizing Stephanie, he corners her in the attic, only to fall through the weak floor down to the bathroom. Susan shoots Jerry twice when he tries to attack Stephanie, and Stephanie stabs him in the chest. He weakly