In 1944, at a fake military base meant to mislead the German enemy, Denis Porte becomes convinced of the vital importance of his mission, even conversing with dummy soldiers. But a doctor friend and admirer of Charles de Gaulle drags him back to reality, pushing him to join the real troops preparing for the Normandy landings. That is, if they can find the right place and date. Claude Zidi Jr. sets the tone from the first sequence, in the spirit of Gramps is in the resistance, surrounding Kev Adams with a troop of beloved French comedians: Brahim Bouhlel, Didier Bourdon, Chantal Ladesou, and more.