Brumaire, the director of public relations at the Élysée, is trying to boost the rating of his government.

A young man marries the daughter of a famous actress, but is visibly more attracted to his stepmother. She manages, not without difficulty, to reconnect the bonds of a vacillating household.

Jérôme owns a boat with his crook of an uncle, La Rose de la Mer. They sail with a band of crooks hired by the uncle to scuttle the ship and collect the insurance premium.