John Rambo is in prison, but thanks to the intervention of Colonel Troutman, John regains his freedom. The price of freedom is the agreement to return again to hell, to Vietnam, to the very camp where he was once tortured. Rambo must return to free the American soldiers still in captivity.

Is it possible to win a war that has already ended? Is it possible to defeat a system that sends soldiers to fight and forgets about them when they get caught? captivity. Will Rambo be able to return to hell again and return from there alive?