In the musical titled this man's "Rainbow", he already has the pot of gold when he arrives in Rainbow Valley
While 
they do not find a pot of gold at the end of the rainbow, they find each other, and... [DOC] [TLE] Amazon.com: Customer Reviews: Finian's Rainbow [PAR] But things take an unexpected turn when they arrive in Rainbow Valley, ... And 
man, the plot of this movie sure is out there (burying gold stole from ... to bury a 
pot of gold he has stolen from a Leprechaun in the old country.