During the cold war, Russian soldiers have created Project 12-an experiment meant to produce an army of super soldiers. Because it was considered too dangerous, the experiment was halted. A few years later, Henderson committed a group of four mercenaries to infiltrate in a top secret bunker used for these experiments. Brian Balanowsky is the only scientist remained alive who worked on the experiment. Mercenaries entering the bunker and realize shortly that aren’t the only ones who hunt these hidden secrets.