Footage of the Able Day and Baker Day nuclear tests at Bikini Atoll in 1946, accompanied by a narrator who explains the purpose and benefits of the testing.
In the studio where the famous director Eric Von Berg reigns, Pierre Vanier, the male star of the film and the lover of Berg's muse, dies while rehearsing a scene.
Professor J. Waldo Purrington wants breakfast but has run out of food, he spots a fish truck outside but he has no money to pay for a fish so he decides to steal one, but he remembers his calendar quote "honesty is the best policy", so he can't bring himself to steal it, so he decides to try and make one fall out of the truck so he won't feel guilty.
The cattle herds of some Arizona ranchers are being stampeded and stolen, so the Arizona Stockmen's Syndicate sends ace investigator Steve Reynolds in to find out who is responsible.