The city was buzzing: Victoria, the wife of famous businessman Andrei Shepel, was killed right during the celebration of her own anniversary. At the same time, Andrei himself was absent for some reason from his wife’s birthday, but Victoria’s two lovers were present at once - a former and a current one. And soon the guests of the unhappy celebration began to die one after another, and at the place of their death the mysterious killer left occult signs. It would seem that we need to look for the criminal among Victoria’s relatives and acquaintances... If not for one “but”: during the premiere of “Macbeth” at the local theater, right on stage, surrounded by witches, actor Pyotr Zvyagilsky suddenly burst into flames and burned, and amateur detective Oleg Monakhov discovered there is a strange sign in his dressing room...