Odessa, 1966. The corpse of an unknown man is found in the park. The operative Emelyanov, who came to the call, quickly establishes that he is an authoritative, three times convicted thief named Spider. And after some time, the famous violinist Semyon Lifshits, who hanged himself in his apartment, is discovered... While investigating, Emelyanov unexpectedly falls into deep occult wilds, encounters an unknown satanic organization, as well as the fact that the mysterious deaths of the Spider thief and the brilliant violinist Lifshitz are closely related. And this connection stretches from their childhood...