Pierre Lachenay is a well-known publisher and lecturer, married with Franca and father of Sabine, around 10. He starts a love affair with air hostess Nicole, which Pierre is hiding, but he cannot stand staying away from her.
A famous American secret service agent tries to rescue a German 17-year-old prodigy scientist who has been captured by the Russians.
A teenager who suffers from his mother's escapades imagines the life of his father in San Francisco.
The series follows the adventures of lighthearted Jean-Paul Moulin, a police Commissaire, and his team as they solve crimes.