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.
Blanchette Brunoy
as Sonia Brévannes
Célia Cortez
as Annie Desforges
Jean-Pierre Kérien
as Pierre Dumans
Howard Vernon
as Roger Kervec
Jacques Charon
as Maurice Favier
Jacques Torrens
as Guy Lormoy
Liliane Ernout
as Jacqueline Desforges
Gabriel Sardet
as Lormoy
Charles Lemontier
as Professor Desforges
Gérard Le Faivre
as Jean Lormoy
Philippe Hersent
as
Marco Villa
as
