A British spy trawler is accidentally sunk off the coast of a Warsaw pact country. On board the ship is a hi-tech encryption device called ATAC, which the British use to send launch instructions to their Polaris fleet. 007 James Bond's investigations leads to Greece where he meets Melina Havelock. She is out for revenge for the murder of her parents at the hands of the "Contact." Together they fight to discover the identity of the 'Contact' so James can retrieve the lost device and Melina can get revenge.