In the year 2100 a criminal hijacks a spaceship to be the first man to claim the treasure of Planetoid 12. When he gets there, he finds nothing but water and mud. He drinks the water, finding out too late that the treasure is the fabled Fountain of Youth, and he is now an infant.
Criminals hide loot in a cave and one is arrested and serves a jail sentence of twenty years. When he is released he goes back to the cave and shoots the man and woman who were lost in there for twenty years, but their son kills him.
When Professor Gorey realizes that there is a valuable market in interplanetary birds, he begins stealing eggs from other worlds, hatching them, and selling the rare birds. However, on one trip to a new planet, he finds a giant bird taller than a skyscraper, who mistakes his spaceship for its egg and sits down on it, crushing the ship and the professor.
A butcher poisons his ex-partner's meat locker in order to drive him out of business but then comes back later to make sure he did not leave any evidence behind and gets himself locked in. Over the course of several days he waits for someone to come and let him out, but no one comes. He resists the temptation to eat the meat and eventually starves. When his body is found the owner wonders why he did not eat the meat since the inspector had declared it unfit and made him replace the entire locker with fresh stock.