[2][3] In 1974, Ronald DeFeo Jr. uses a rifle to kill his entire family at 112 Ocean Avenue in Amityville, New York.

Mark is a recovering alcoholic who lives in rural Nebraska with his dementia-addled mother, Jeanne, and pregnant daughter, Britany.

The demon torments Mark (who is a devout Catholic) with visions of things like Breana and Daniel having premarital sex and Anthony and Jade engaging in S&M, with each of the hallucinations being punctuated by the phrase, "Stop me, daddy."

A week later, a psychic paranormal investigator visits the Janson house, and encounters the demon, which has possessed a paperboy.

Tex Hula of Ain't It Cool News responded positively to The Amityville Legacy, writing, "This movie pulls off some impressive things on its micro-budget.