The series follows the adventures of lighthearted Jean-Paul Moulin, a police Commissaire, and his team as they solve crimes.
Lisa, a fashion photographer, has an affair with a married man. They both know that the relationship forces them to have fun. When he goes through a delicate family situation caused by his daughter's adventure with a much older man, Lisa understands how much she is in love and how little she can expect from him.
Colonel William Cody, alias Buffalo Bill, intends to put an end to the dishonest relations between a gang of white swindlers and the Indian, Yellow Hand. So he goes to the chief of Yellow Hand's tribe, Wise Fox, and tries to convince him to sign a peace treaty with the Federal troops. In order to avoid this, Yellow Hand abducts Wise Fox's daughter, pretending that the soldiers have done it.
