Jean-Charles Reynaud

Endive-Meunier, a prosperous silk dealer from Lyon has an affair with his secretary he tries hard to keep secret. One day, he nevertheless accepts to accompany her to the seaside resort of Coeur-sur-Mer. Unfortunately for him, once there, he finds himself in the presence of Claudius Paquito, the popular barman of a fashionable club. The trouble is that the man is no other than one of his former employees he once fired for insolence...

The inhabitants of a small provincial town are requisitioned to take part in the French army's major maneuvers. A foreign spy takes advantage of these maneuvers to steal secret documents. The pursuit and capture of the spy and his accomplices are successfully carried out by all those taking part in the maneuvers.