The series follows the adventures of lighthearted Jean-Paul Moulin, a police Commissaire, and his team as they solve crimes.

Having escaped from prison Ristack contacts his partner, to organize an attack on a van full of gold. The heist goes well but each man is trying to keep all the loot for himself...

Paris, France, during the First World War. While thousands of soldiers die every day on the battlefields, Henri Landru, a seemingly respectable furniture dealer, married and father of four children, relentlessly feeds his own sinister factory of death.

April fools in a studio where a radio host pretends to shoot dead all the performers....till a true crime occurs.

A devoted switchboard operator is the village guardian angel.

A young sculptor presides over the destinies of a student club where a miserable young girl ends up one evening. The treasurer of the association falls in love with the young girl who returns the favor. The war. The sculptor comes back blind. Out of gratitude, the young girl marries him and restores his confidence in his talent; out of discretion, the treasurer steps aside.

A young woman has doubts about her husband's fidelity. She pretends a trip, but settles in a hotel where her husband must pass. He meets her and, disturbed by the one he believes to be his wife's double, becomes her lover. Little by little the truth breaks through. The husband takes leave of the mistress and returns to the wife whose return has been announced.