The events of the story "Catch Humpty Dumpty" take place in a post-apocalyptic world. A huge empire, whose military technology is based on solar energy, is losing a war to a tiny federation using fossil fuels. On the orders of the supreme ruler of the empire, the secret services organize a grandiose special operation, the purpose of which is to find out the reasons for the catastrophic situation of the imperial troops. From the very beginning, the operation does not go according to plan and ends unexpectedly.