Felix Leiter meets Bond in Miami, and tells him "M" wants him to look into Auric Goldfinger.Goldfinger.Goldfinger is amusing himself by fleecing a Mr. Simmonds in gin rummy. Investigating, Bond stumbles on an elaborate ruse where Jill Masterson spies on Goldfinger'sGoldfinger's opponent's cards from his suite's balcony and radios the information into Goldfinger'sGoldfinger's "hearing aid."
Defining dialogue:
"I'm beginning to like you, Mr. Bond"
"Whoare"Who are you?!!"
Vital statistics:
5'8"
How she helps save the day:
Doesn't, really. After Bond steals her away, she is killed by Goldfinger and Oddjob (quite famously) painting her gold from head to toe and allowing her to die of "skin suffocation." (which is copied in Quantum of Solace)
Bikini moment:
On the balcony, Jill is sunning herself in black lingerie