Betty, Archie, Moose and Midge conspire to make Veronica think there's a new fad for men to carry women around on their backs. She responds by donning a riding outfit and riding Reggie, complete with a crop.
Archie annoys Veronica and her father by constantly taking and developing photographs, but one of his pictures turns out to contain the evidence of a major crime at Mr. Lodge's plant.
In Ancient Rome, the evil Regibus and the treacherous daughter of Senator Lodge conspire to poison the Emperor Archie and remove him from the throne. They are stopped by the Emperor's new slave girl, Betty.