A disgruntled ex-CIA operative, his assistant and their assembled group of terrorists seize a battleship with nuclear blackmail in mind. They've planned for every contingency but ignore the ship's cook, former Navy SEAL Casey Ryback—an error that could be fatal.
New Orleans cops Andre and R.J., partners for 17 years and in danger of being suspended for their recklessness, are enlisted by the F.B.I. to track down a Cuban terrorist who plans on poisoning the Big Easy's water supply, gaining access through the World's Fair.