Lt. Vance Calhoun takes on a dangerous rescue mission of American P.O.W.s in the treacherous Darloc Valley in Vietnam. His only chance to escape is with the help of five young, fearless soldiers on motorcycles.

A Cuban emigre, living in Miami and involved in an affair with the American seaman who rescued her and her daughter years earlier, must face her husband after he is unexpectedly released from a Cuban prison.

Captain Baronski, assigned a squad of misfit soldiers, trains them into a fighting powerhouse "The Expendables." Breaking every rule, they must risk their lives crossing into Cambodia to save the American hostages.