Russian and British submarines with nuclear missiles on board both vanish from sight without a trace. England and Russia both blame each other as James Bond tries to solve the riddle of the disappearing ships. But the KGB also has an agent on the case.

Cool government operative James Bond searches for a stolen invention that can turn the sun's heat into a destructive weapon. He soon crosses paths with the menacing Francisco Scaramanga, a hitman so skilled he has a seven-figure working fee. Bond then joins forces with the swimsuit-clad Mary Goodnight, and together they track Scaramanga to a Thai tropical isle hideout where the killer-for-hire lures the slick spy into a deadly maze for a final duel.

James Bond must investigate a mysterious murder case of a British agent in New Orleans. Soon he finds himself up against a gangster boss named Mr. Big.