Veľká Británia je znepokojená. Pri gréckych ostrovov neznámi muži potopili britskú špionážnu loď. Hrozba je o to väčšia, keď sa preukáže, že na lodi sa nachádza počítač na ovládanie riadených striel. A je to práve agent 007 James Bond (Roger Moore), ktorý má za úlohu počítač získať pod britskú kontrolu. Rovnaké zámery však má aj Krikatos (Julian Glover) a jeho kumpán, pašerák Columb….
Alan Turing is the genius British mathematician who was instrumental in breaking the German naval Enigma Code during World War II, arguably saving millions of lives. Turing's achievements went unrecognised during his lifetime. Instead he ended up being treated as a common criminal, for being homosexual at a time when homosexual acts were a crime. In 1952, he was convicted of 'gross indecency' with another man and was forced to undergo so-called 'organo-therapy' - chemical castration. Two years later, he killed himself with cyanide, aged just 41. Alan Turing was driven to a terrible despair and early death by the nation he'd done so much to save.