Documentary about French playwright and film director Sacha Guitry.

A professor experimenting in suspended animation accidentally shrinks his dog and later, his female lab assistant, when she drinks the liquid by accident and shrinks to 3 inches tall. The professor keeps her in his pocket until he can find an antidote. Sometimes she's naked, too.

In the early 1950s, the popular radio show "La Kermesse aux Étoiles", hosted by the famous Jean Nohain, mixing lottery games and performances of various artists, will be disrupted by the adventures of a man and his fiancée seeking to recover a dangerous bottle of perfume (explosive) which was unfortunately mixed with the prizes to be won ...

Professor Ménard and his daughter Madeleine leave Paris for Algeria, in the Hoggar mountain where they meet Aftan who has just left the Army where he was known as Grandconseil.