Cantinflas and three friends return a stolen necklace to an actress who invites them to be extras at Clasa studios. While on the set, he falls asleep and dreams that he is d'Artagnan, fighting on behalf of Queen Anne.
1909, a detachment of the Mexican army commanded by Captain Allende moves to Clipperton, also called the Island of the Passion, in the Pacific. After the outbreak of the revolution, the island becomes administered by the government of France, events that in principle go unnoticed by the islanders.
Granny rules the roost, but little sister's a bit rebellious. She listens to Cuban music, she wears make-up, she goes out un-chaperoned... Granny sees her rubbing up against a married man and it shatters her health.