Two former soldiers return home after their service, one bringing along a French orphan girl he has grown fond of. Upon their arrival, they unexpectedly cross paths with their former sergeant, who harbors a strong dislike for them. Complications arise as they engage with a race-car manufacturer searching for investors to support his ambitious project of creating a new midget racer. Their journey is filled with comedic mishaps and heartfelt moments, highlighting the challenges of adjusting to civilian life while navigating their past connections.