The greatest detective of all the eighth graders, Dmitry Olegovich Blinkov, nicknamed Damn, is ready to help everyone. Even if it’s not a person who needs help, but… a monkey. To save the green macaque Manya, left without an owner, he is ready to mobilize the best reserves - his task force. And the Prince, and Irka, and Sinitskaya, and Vanechka made their contribution to this investigation. But the most difficult thing, of course, fell to Pancake. After all, having started the search for the owner of the macaque, Damn did not even imagine that he would be on the trail of an international crime syndicate...