The turtles find out where the Ooze, the substance which made them mutate, came from. Unfortunately Shredder learns about it too, and uses it to enhance himself. So the turtles have to prove again who's the better ninja fighter.

Joshua is a former U.S. military official who fled to the Foreign Legion when his wife Maria was killed by Muslim fundamentalists in Paris, and now he's a mercenary, fighting in the Yugoslav war on the Serbian side against Muslims.

While filming his sadistic relationship with women, a killer's infatuation with a potential victim forces him to confront his past.