The one that runs like the hare of French title is a Tony Cardot, young French pilot, who very unfortunately crashed his plane into a group of Gypsy children not far away from Montreal. Pursued by a group of vengeful Gypsies, his way accidentally crosses that of Charley, the boss of a gang planning a big caper. Taken prisoner by Charley and his men, Tony will become involved in the affair against his will...