“It happened on Zha, a jungle planet, where sinister-looking little yellow men eventually caught up with an earthling named Kirin.”

Kirin is a thief known throughout the Galaxy. The pursuers, whom he recognized as the dwarfs of Death, were unable to capture the earthling; a certain man helped him. Kirin, along with the one who saved him, flies away on his ship. Soon the stranger comes to his senses and tells the thief about a stone called “Medusa”, which needs to be obtained. Kirin agrees, and they go to the planet Pelizon. It soon becomes clear that they are not the only ones hunting for the Medusa...