The slums of Trottingham are notorious for their crimes and no one knows this better than Detective Spotter. After a particularly grizzly murder, however, the veteran detective finds himself hot on the trails of a mastermind and deranged murderer, the one simply known as Jack. As the body count begins to rise the question arises as to who the villain is, and whether they're a villain at all. The race is on to find the killer and bring him to justice before the town falls victim to Jack's evil plans.