When he meets a young girl under the control of violent Russian gangsters, a man who thought he had left his Special Forces past behind him finds himself compelled to help her.

The G.I. Joe Team, America's daring, highly trained special mission force, faces its greatest threat yet from the evil Cobra Orgainization under the direction of Cobra commander, Venomous Maximus. DNA from the worlds most ferocious animals has been combined with humans to create a virtually unstoppable army of venom troopers. Led by Duke, Heavy Duty, Scarlett and Snake Eyes, the heroic team fights this new meanace in a battle to save humanity.

They are The Unit, a covert Special Forces team operating outside the usual military chain of command, risking their lives on undercover missions at home and abroad. Their identities are highly classified, a secret that's also fiercely guarded by their wives. But despite the men's determination to protect their families from the dangers of the job, they've learned that the enemy they have defeated in the field is also capable of bringing the fight...

With the Cold War over and defense budgets slashed, the entire Universal Soldier team is facing elimination, including Seth, the super-computer that controls the ultra-warriors. Seth decides to seek revenge by destroying his creators and implementing a reign of terror on the outside world.