When A.T.F. agent Nick Adams goes undercover in a prison to unravel the mystery of a fellow agents death there. Warden Pike and his pet goons are involved in all kinds of corrupt activities; dope dealing and gun smuggling to name a few.

Truck driver Jack Burton gets embroiled in a supernatural battle when his best friend Wang Chi's green-eyed fiancée is kidnapped by henchmen of the sorcerer Lo Pan, who must marry a girl with green eyes in order to return to the human realm.

Steele is ex-cop and Vietnam vet who is determined to bring down Kwan, former South Vietnamese general and now rich and powerful drug lord.

An aging cop is assigned the ordinary task of escorting a fast-talking witness from police custody to a courthouse, but they find themselves running the gauntlet as other forces try to prevent them from getting there.

Using massive piloted robots to combat the alien threat, earth's survivors take the fight to the invading alien force lurking in the depths of the Pacific Ocean. Nearly defenseless in the face of the relentless enemy, the forces of mankind have no choice but to turn to two unlikely heroes who now stand as earth's final hope against the mounting apocalypse.