As great as he may be, Leonard does not always measure the consequences of his inventions. His elixir of gigantism seemed an excellent idea at first glance... After all, it was a question of solving the thorny problem of hunger in the world. But, even the most brilliant inventor could not predict that the apple-test contained a worm of the most aggressive. To enlarge a bird to get rid of it, then to call upon Raoul Chatigré to solve the bird's question, is this really the best solution...?