It was decided to celebrate the birthday of artefact magician Eva Kurakina with friends and family. But after the celebration, when the guests were leaving, someone attacked them and Guardian Magnus was seriously injured. While his daughters were repelling the attack, calling for reinforcements from the Kurakin estate, the enemy entered Magnus's house, where he took a small souvenir and wounded the Head of the Guard. Trying to figure out what happened, the Kurakins and Magnus’s family come to several conclusions: for some reason the enemy needs small magical artifacts, necessarily stained with the owner’s blood. The Criminal is a High Magician with the unique ability to break through any defense, and he is carrying out an incomprehensible plan to take a place in the Circle of the Guardians of the Balance...