A new hovercraft of Vaillant is to be tested under extreme conditions. Quincy traveled with Michel Vaillant and pops in the Arctic, where they meet the scientist Helena and her son Mikadi. Quincy is instantly hooked on the beautiful Helen, but first he has to take care of more important things, because obviously someone has something against the use of Vaillant-hovercrafts ... (information from the German series "Michel Vaillant")