Disgruntled ex-CIA operative Strannix, his assistant Krill and their group of terrorists seize the 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.
On a US nuclear missile sub, a young first officer stages a mutiny to prevent his trigger happy captain from launching his missiles before confirming his orders to do so.