The Amityville Legacy (also known as Amityville Toybox) is a 2016 American horror film written and directed by Dustin Ferguson and Mike Johnson. It was released direct-to-video, and is the fifteenth film to be inspired by Jay Anson's 1977 novel The Amityville Horror. Mark Popejoy stars as Mark Janson, a father who begins murdering members of his own family after being gifted an evil cymbal-banging monkey toy that was taken from 112 Ocean Avenue, a haunted house in Amityville, New York.

Plot

In 1974, Ronald DeFeo Jr. uses a rifle to kill his entire family in 112 Ocean Avenue in Amityville, New York. Four decades later, the Janson family comes together to celebrate the fiftieth birthday of the family's widowed patriarch, Mark. Mark is a recovering alcoholic who lives in rural Nebraska with his dementia-addled mother, Jeanne, and pregnant daughter, Britany. Attending the reunion are Mark's other three daughters Julia, Jennii, and Breana, Breana's boyfriend, Daniel, Mark's son, Anthony, Anthony's boyfriend, Jade, Mark's sister in-law, Cheyenne, and Cheyenne's daughter, Schuylar. One of Mark's birthday gifts is a cymbal-banging monkey toy that was at some point taken from 112 Ocean Avenue. The monkey is inhabited by a demon, which takes on the form of Mark's abusive deceased father, Mr. Janson. 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." The demon tells Mark that he must eliminate any and all threats to his family's unity, so Mark reluctantly kills Cheyenne, Daniel, and Jade.