A crazed scientist planning to rule the world decides to destroy the city of Paris with his lightning/ray gun.

Jacques Prémont-Solène is a degenerate gambler and his losses at baccarat have bankrupted his lover, Laure Maresco. When he steals four hundred thousand francs and loses that at the gambling tables, he flees to the United States, and Nathalie takes the blame. Twenty years later, she has a flourishing career as a nightclub singer, but their son is just as inept a gambler as his father had been.

Leopoldo Quintana is a lawyer who, determined to reach power and capable of anything to get what he wants, uses blackmail and shady maneuvers to be appointed congressman for the Balearic Islands, then minister, and finally President of the Council of Ministers of the Spanish Government.

Spy drama about a young dancer from a poor background in Poland who is forced by a baron to spy for him.