On an isolated icy planet promising a bright future, prisoners are forced to excavate a rare energy source that leads to a deadly, unwelcome discovery.
The snowy, ice-covered planet Coldfoot is home to a precious energy-rich ore called “sig.” On the surface, the planet seems to be a crime-free utopia, but in reality prisoners are used for back-breaking sig mining. Jim, a young prison guard, rushes to the site of a sudden mining accident to find a mysterious creature attacking the humans.