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 and he blacks out. Bond wakes to find that Goldfinger is going to take him up on his offer after all, and makes him his prisoner and secretary. While working at this job, Bond discovers that Goldfinger is plotting to rob the U.S. Bullion Depository at Fort Knox, Kentucky, in an action codenamed "Operation Grand Slam". Goldfinger plans to contaminate the water supply at Fort Knox using the nerve agent GB (also known as Sarin), killing everyone at the base. Then, using an atomic bomb designed for an MGM-5 Corporal intermediate-range ballistic missile that he had purchased for $US1 million