Mike Edwards and Jason Kennedy are smokejumpers making their way through an underground facility hidden deep in a nature preserve. Stacey Cartwright is a young woman the smokejumpers rescued along the way. They must stop a secretive mining conglomerate from abducting people for illegal and unethical human experimentation. Miles of tunnels, dozens of armed security guards and a nano-machine controlled sasquatch stand between the trio and shutting down the operation. Their training and resourcefulness is all they can rely on to keep them safe.