After a series of failed relationships, a mysterious man marries a widow and becomes a loving stepfather to her daughter. However, his true intentions are revealed when he starts exhibiting strange behavior and his stepdaughter begins to suspect that he is not who he claims to be.

In Stepfather 2, a man named Jerry posing as a stepfather tries to continue his murderous ways by marrying a woman with a son. As he becomes increasingly violent and unstable, the family starts to suspect that Jerry is not who he claims to be.

Stepfather 3 is a horror thriller movie that follows the story of a man who assumes new identities and marries widows with children, only to murder them and move on to his next victim. In this sequel, he targets a new family, leading to a thrilling and suspenseful chase as they try to uncover his true identity and stop him before it's too late. With a mix of romance, suspense, and horror, Stepfather 3 keeps viewers on the edge of their seats.