After a ship is sunk off the coast of Albania, the world's superpowers begin a feverish search for its valuable lost cargo: the powerful ATAC system, which will give the bearer unlimited control over Polaris nuclear submarines. As James Bond (Agent 007) joins the search, he suspects the suave Kristatos of seizing the device. The competition between nations grows more deadly by the moment, but Bond finds an ally in the beautiful Melina Havelock, who blames Kristatos for the death of her parents. Agent 007 navigates his way through passionate encounters and risky confrontations which draw him into a world of arduous challenge, including, automobile chases, underwater battles, a tour over razor-sharp coral reefs, and an assault on an imposing mountaintop fortress.