Mercenaries with nothing to lose are hired to rescue a bioengineer imprisoned in a cold war bunker. Upon entering the ominous facility, they find themselves in a fight for their lives when they come under attack from an unknown and deadly creature.

Mercenaries with nothing to lose are hired to rescue a bioengineer imprisoned in a cold war bunker. Upon entering the ominous facility, they find themselves in a fight for their lives when they come under attack from an unknown and deadly creature.