A story about how, at the end of the last century, an experiment was conducted in a provincial town zoo that was supposed to increase the “intelligence” of a chimpanzee named Christina. The monkey became smarter and was able to get out of the cage at night, and at the same time released all the animals, incl. predatory. The greatest threat to the residents of the suburb was posed by a lion and a lioness, to organize the capture of which the famous lion hunter, entomologist Harry Pook, came to the city from abroad. Puk took as his assistant the “teacher” of the animals, zoo worker Pulcheria Euler. The wiser Christina unexpectedly intervened in the relationship of this couple...