The Treasure of San Gennaro

In this comedy, two Yankee con artists pose as tourists visiting scenic Naples. There they intend to rob an old church. Before pulling the caper, the two enlist the aid of a local criminal. The theft succeeds, but afterwards the crooks begin double-crossing each other. Murder and mayhem ensues as one American murders the other and then heads for the airport dressed as a nun. "Her" loot is, in turn, captured by the Italian crook and his friend. (allmovie.com)