In the nineteenth century, as new regulations have just been applied to fist fighting and people have begun to bet on boxing events. Abel Ginoux is a traveling boxing exhibitor. Assisted by "Doctor" Zipolino, he offers a high reward to any spectator who will beat one of his two boxing strongmen, which never happens. As a result, challengers are harder and harder to find and Ginoux decides to go in search of a robust woodcutter, who would manage to win fights against his two boxers. In the Alps, he discovers Passe Partout, a regular wonder boy ...