In November 1984, a top Soviet submarine captain defies orders and sets course for the U.S. with a new, undetectable submarine. The American CIA and military must swiftly decide: Is he attempting to defect or instigate a war? Directed by John McTiernan and starring Sean Connery and Alec Baldwin, this film is based on the book by Tom Clancy and written by Larry Ferguson and Donald E. Stewart.