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.

Three stars appear in two separate but intertwined stories of romantic triangles gone wrong in this ambitious drama. In the first segment, Hagolin is a loutish construction worker with an unhappy wife, Eponine. The wife becomes involved with a swarthy working man, Larnier, and their passion knows no boundaries of caution or safety. Eventually, Eponine's and Larnier's lust drives them to madness, and they murder Hagolin. The second tale concerns an up-and-coming young lawyer, Claude, whose mentor is a highly successful veteran attorney, Lamerciere, with a beautiful young wife named Florence. Claude finds himself defending Larnier and Eponine, while Lamerciere dies of a heart attack after he discovers that Florence has been unfaithful to him with Claude.

A partially blind Englishman retires to the French Riviera. He meets and falls for the Widow of a French Resistance fighter but is horrified when he discovers she is involved with smugglers and murderers.

Everyone in Paris thinks Fantomas is dead. A wave of extortion, blackmail and murder all point to the master criminal. Inspector Juve and his reporter friend Fandor set out to find the truth.

Madame de Montespan, the Maîtresse-en-titre of Louis XIV, has been in disgrace since the King set eyes on a younger beauty, Marie-Angélique Scorailles. Having had enough of the situation, the rejected mistress decides to visit La Voisin, a woman known as a fortune teller, a doctor, a midwife and who is also said to arrange black masses and sell poisons. Some time later Marie-Angélique, now Duchess of Fontanges, dies mysteriously aged only twenty...

Anthology film with three shorts each featuring a famous detective: Monsieur Wens, Lemmy Caution and Maigret.