Austrian professor Otto von Himbeergeist arrives in the New World with some very strange ideas: he suggests that criminals are victims of their past and can be cured of their lawlessness. To prove his theories, the scientist intends to travel to the Wild West and attempt to reform the worst possible outlaws of the land. What better targets than the baddest, dumbest bandits ever - the Dalton Brothers! And who will be tasked with keeping a close watch on the experiment, with some unexpected but always hilarious results? Why, Lucky Luke, of course!