Humanity is the most powerful civilization in the Galaxy. She has not only mastered distant planets, but also willingly helps backward “brothers in mind.” The aborigines from the planet Medea, who are 99 percent identical to humans, are especially welcome on Earth. The Medians know how to please, to please, to such an extent that the Council of the Earth Federation passed a special law allowing alien savages to hunt in our forests and savannas. But no one thought to clarify that people can also become game. The head of the Quarantine Committee, operational call sign Lord, who controls the presence of aliens on Earth, is forced to take extraordinary measures to stop the most terrible invasion in the history of mankind...