Stepdaughter

The Stepfather is a 1987 American psychological horror film directed by Joseph Ruben and starring Terry O'Quinn, Jill Schoelen, and Shelley Hack. O'Quinn stars as an identity-assuming serial killer who marries a widow with a teenage daughter. Having killed his previous family and changed his identity, his murderous tendencies continue after his stepdaughter becomes suspicious of him.

Directed by Joseph Ruben