On the cold planet called Coldfoot, covered in a thick layer of ice and snow, mysterious creatures suddenly emerge from a dark underground lair and aggressively attack the local inhabitants. Will humanity be able to overcome the nightmare lurking on the horizon, waiting for the first opportunity to break free? At the center of the events is a young man named Jim, who works as a prison guard. He sets out to the scene of the incident to confront the danger face to face.