Nearly 20 years after it opened on Broadway, the E.Y. Harburg/Fred Saidy musical Finian's Rainbow was committed to film. Set in the mythical southern state of Missitucky, the story involves the whimsical Irishman Finian (Fred Astaire) and his daughter Sharon (Petula Clark) arriving in the community carrying a crock of gold, which they've stolen in the Auld Sod from Ogg the Leprechaun (Tommy Steele). Finian believes that if he buries the crock on American soil, it will grow into an even larger treasure--just as Fort Knox did (or so he thinks). Sharon falls in love with sharecropper Woody Mahoney (Don Francks), who like everyone else in the community is being threatened by the perfidy of Senator Rawkins (Keenan Wynn). While Finian haggles over three wishes with the tricky Ogg, Sharon runs afoul of the racially bigoted Rawkins. She wishes that Rawkins would turn black so that he could walk in someone else's shoes for a change--and this, thanks to Ogg, is exactly what happens. To rescue Sharon and Woody from bein