Marianne has always dreamed of having original memorabilia from the infamous Amityville house. Eventually, the goth girl gets her hands on a rare item: the authentic knife of the iconic villain, Jack the Ripper. As Marianne and her friend, Annie, prepare for a demonic night with the evil artefact, the serial killer's uncontainable force accidentally creeps into our world. Once more, the Whitechapel Murderer terrorises the innocent, spilling their blood. With nothing but time on his hands and the overpowering urge to mutilate, can Marianne right a wrong when The Amityville Ripper crashes her brother's party?
—Nick Riganas