Lieutenant Gilles Castelet would have liked to marry like anybody else. But he has always been under the sexual spell of Colonel Popoti's wife. Once returned to civilian life he tries desperately to escape her, all the more as she is now widowed and she shamelessly chases him away. One day, Gilles meets Charlie, a former army buddy. His friend, sorry about what happens to him, undertakes to rid him of the possession he is under.

Malisard is a reporter at "Soir de Paris", his colleague Prévot is a photographer. Together, they roam the streets of Paris.

A fictionalized report from the Côte d'Azur. Preparing for vacation (diet and artificial tanning). The vacation route (a hitchhiker has her luggage stolen by a motorist; hitchhikers steal, rape and leave in their victims' cars...). "Dolce vita" in Saint-Tropez. The art of spending a vacation with a minimum of money (prostitution, cheating at gambling, pussies kept by old ladies...). Naturists on the Ile du Levant. Vacation club romance. Drugs (a girl gets stung and falls into a coma next to her friend, already dead). The end of a vacation (a young woman, ruined by her stay on the Riviera, indulges for a day in slaughterhouse prostitution to pay for her return).

Three young girls hitchhike to St Tropez on vacation. During the trip, they meet three boys, and split up to go on different adventures. One with a journalist, one with a daddy's boy and one with a black jacket.

A bus conductor gets dressed for work in the morning, goes to the toilet, where he is killed by a bomb. The Commissioner and his fat, bumbling assistant, Inspector Charbonnier are put on the case. After interviewing friends, wives, colleagues, and spying on strangers who might be connected, our heroes trace the assassin down to a mental institution where, it seems, the murder victim has been an inmate for the last three years...

A father plans to kill in the same day the nine members of the jury who condemned his son to death.

The film follows the villain “The Serpent” in his fight to conquer the world at any cost. Close to the best B series, Yaccelini runs through its plot of scientists, chases and highly suspenseful endings, aware that the most intense adventure is the one that never manages to hit the brakes.