Stepfather III (also known as Stepfather III: Father's Day or Stepfather 3) is a 1992 American horror film directed and written by Guy Magar. It stars Robert Wightman, Priscilla Barnes, David Tom, and Season Hubley. The film follows a serial killer seeking out another family to become a part of, using plastic surgery to disguise himself from the authorities.
Having survived the stab wounds he sustained and escaping from the church in Palm Meadows, Los Angeles at the end of the previous film, Gene Clifford (Robert Wightman), escapes from the same institution in Puget Sound, Washington he was placed in four years ago. He seeks out a back alley plastic surgeon (Mario Roccuzzo) to alter his appearance, using no anesthesia. After a few days, Gene kills the doctor by slitting his throat with a bone saw and makes his way to Deer View, California, where he acquires a new identity, "Keith Grant", as well as a small cottage and a job at a plant nursery. Nine months after crafting his new life, Keith, during an Easter dance held by the church, meets divorced school principal Christine Davis (Priscilla Barnes) and her psychosomatically paralyzed son Andy (David Tom). Keith and Christine begin dating. When Christine's possessive ex-boyfriend Mark Wraynal (Stephen Mendel) follows Keith home and confronts him, Keith offers to have a chat. Keith kills him with a shovel and buries the body in his garden.