Red tincture, which is also called the highest matter and the philosopher's stone... The Great Mithridacium is the all-healing elixir of immortality... Two long-cherished dreams of the adherents of the “royal art” - alchemy. Legends? The Middle Ages? But Eric Danne, who entered the prestigious University of Aberdeen, gradually realizes that the “royal art” is still alive. Gradually, he himself becomes entangled in the labyrinth of mysterious alchemical transmutations and mystical occult rituals. However, Eric does not yet know the most ruthless of the laws of the “royal art": you have to pay for higher knowledge. And pay dearly!..