When their captain is swindled out of his riverboat by a trio of gamblers, stage show star Abbott and his bumbling sidekick Costello must put things right.

In the gay '90s, card sharps take over a Mississippi riverboat from a kindly captain. Their first act is to change the showboat into a floating gambling house. A ham actor and his bumbling sidekick try to devise a way to help the captain regain ownership of the vessel.—Daniel Bubbeo