In a violent war against an alien race, one prisoner - known only as "Joe Human" - is taken to a harsh P.O.W. camp that is controlled by an alien the captives refer to as "Dr. Mengele."
Like his namesake, Mengele performs horrific experiments on humans to better understand their nature - 'Know your enemy' is the dictum under which he operates, even if it means examining them slice by slice.
But Joe quickly appears to be less than honorable, for he has his own reasons to stay incognito and off Earth. While held prisoner at Stalag-X, he uncovers vital intelligence about the enemy - information that could possibly win the war and save billions of lives... Of course, that would mean getting involved and, perhaps, caring for something. Or someone.