The story of Sganarelle, a gluttonous, alcoholic woodcarver who becomes a quack doctor.

Renowned atomic scientists are kidnapped on French soil. Inspector San-Antonio and his loyal deputy Bérurier infiltrate a gang suspected of involvement in the case, in order to trace the trail.

On his way out of a wedding, a young boy named Peachskin finds a jewel by chance. Bringing it back to its owner, she becomes his benefactress in the years that pass.

A top-secret prototype is stolen from an American base. The man who stole it, Andersen, is murdered. The investigation is led by Jeff Gordon, who discovers in Andersen's papers a photo of a woman identified as Corinne Martin. Jeff Gordon escapes an assassination attempt on his way out of Martin's house and meets Corinne again, who denies any involvement in the robbery. Her husband, in the pay of foreign spies, is in possession of the "repeller". After several scuffles, Jeff Gordon arrests Martin and his accomplices. The prototype is returned to its base.