An elite team of mercenaries is hired for a covert operation, deep inside a former Soviet state. Arriving at an underground laboratory, their mission is to secure specimens of genetically engineered human and alien hybrids. Battling with a ferocious armed militia as well as dark, menacing creatures, the odds of survival are stacked against them. 　　译文(3): 一支精英雇佣兵队伍受雇于一个前苏联国家的深处进行秘密行动。抵达一个地下实验室后，他们的任务是保护经过基因工程改造的人类和外星杂交种的标本。与凶猛的武装民兵以及黑暗、有威胁的生物作战，他们的生存几率很高。