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
Goldfinger (film) made, making them a novelty. In the novel, Goldfinger uses a circular saw to try to kill Bond, but the filmmakers changed it to a laser to make the film feel fresher. Hamilton immediately thought of giving the laser a place in the film's story as Goldfinger's weapon of choice. Ken Adam was advised on the laser's design by two Harvard scientists who helped design the water reactor in "Dr No". The laser beam itself was an optical effect added in post-production. For close-ups where the flame cuts through metal, technician Bert Luxford heated the metal with a blowtorch from