A woman lies dead in a Nottingham flat, her terrified sister barricaded in the bathroom. At 2am a young man in a bloodstained shirt is pulled over for speeding. The three only met that afternoon – what happened in those fatal hours? All there is to go on is what the two survivors say.
As a notorious serial killer is being driven to his execution, the truck carrying him encounters a bizarre accident that transforms him into a mutant snowman. The sheriff who originally caught the psychopath has remained concerned about his return, and it seems that his fears were well-founded. Before long, bodies pile up, all killed in gruesome wintry ways. Can the sheriff stop the murderer's icy reign of terror?