Barney / Sonny Hornet takes a trip in his tiny, fish-shaped, one-man submarine.
Titles read: "NOVELTY SUBMARINE".
Location of events unknown - probably United States of America.
Various shots show a tiny, fish-shaped, one-man submarine on a lake. The man who invented it, Barney Hornet, is seen sitting inside and closing the lid before submerging. He comes back up to the surface and gets out.
Note: soundtrack says Barney Hornet, paperwork says Sonny Hornet.