Goldfinger (novel) heroin smuggling operation, British Secret Service operative James Bond is asked by Junius Du Pont, a rich American businessman (whom he briefly met and gambled with in "Casino Royale"), to watch Auric Goldfinger, with whom Du Pont is playing Canasta in order to discover if he is cheating. Bond quickly realises that Goldfinger is indeed cheating with the aid of his female assistant, Jill Masterton, who is spying on DuPont's cards. Bond blackmails Goldfinger into admitting it and paying back DuPont's lost money; he also has a brief affair with Masterton. Back in London, Bond's superior, M, tasks him with
Auric Goldfinger ranch. Goldfinger is later revealed to be planning to place an atomic device containing cobalt and iodine into Fort Knox, rendering the gold radioactive and useless for 58 years, increasing the value of his own gold and giving the Chinese an advantage resulting from the ensuing economic chaos. Bond, at this point held captive by Goldfinger, is able to smuggle the details of the operation out to his CIA associate Felix Leiter and, taken along on the operation by Goldfinger, ultimately thwarts the operation by defusing the atomic device. With Fort Knox safe, Bond is invited to the White House