Finian's Rainbow Jr.

Finian McLonergan, who has emigrated from Ireland to the town of Rainbow Valley in the mythical state of Missitucky, with his daughter Sharon, is intent on burying a stolen pot of gold in the shadows of Fort Knox, in the belief it will grow and multiply. Hot on their heels is Og, a leprechaun determined to recover his treasure before the loss of it turns him permanently human. Complicating matters is a corrupt senator, but in the end Sharon marries the handsome, young Woody Mahoney - and Woody's mute sister, Susan, acquires the power of speech and falls in love with Og, who decides that being human is not so bad after all.