Jack Carroll (Jack Haley) buys a ridiculous military surplus amphibious vehicle and a mine detector to go treasure hunting near Reno which will finance his rabbit farm. He and his wife Eleanor (Anne Jeffreys) have their friends over for dinner, but their friends are a non-stop bickering couple. They pretend to fight during their next gathering, but it turns into a real fight over Eleanor's mother. While she runs off to her mother, he decides to go to Reno without informing her. He stops at a Reno bank where a bank robbery happens to take place. The robbery crew buries the loot near a cave which is exactly where Jack ends up digging.
It's convoluted. It's way too convenient. It's a wacky screwball comedy with more misunderstandings than a bad sitcom. It really goes over the top when the sheriff pulls off his pants. It's silly non-sense and would fit in a lot of silly non-sense sitcoms.