In the famous annual high-mountain rally, Teamleader' crew must put up with a painful defeat.The winners are once again Michel Vaillant and his friends. Asks the aggrieved Leader Vaillants to a duel. This involves a racing Triathlon, which includes a sea-crossing belongs. Quincy developed an amphibious vehicle and the Vaillant sit down soon to the top of the race. But they have not counted on the treachery of the Team Leader-team…(information from the German series "Michel Vaillant")
