A medical experiment being conducted at a remote research facility yields terrifying results. As four test subjects gather to partake in a mysterious trial being conducted by a clandestine corporation, no one knows quite what to expect. The situation turns ominous, however, when the corporation detects the presence of a pregnant interloper in the trials, and hires a team of heavily-armed guards to destroy all evidence. Meanwhile, upon learning of the atrocities being committed by the corporation, the guards take the side of the test subjects. Now the more information that's released about these human guinea pigs, the fast the situation begins to deteriorate until only a few are left standing. For them, the nightmare is far from over.