The key to eternity

For several centuries, the legend of Dr. Faust, a scholar-black man who entered into an agreement with the devil, was passed down from generation to generation. What did Faust get in exchange for his soul? Some believe that knowledge, others are wealth, others are a certain artifact with which you can invent an elixir of eternal youth. After the death of the doctor, a valuable object visited many, but then was reliably hidden from human eyes.
After many years, the artifact surfaced the light of God, and this caused a series of strange events that swept around St. Petersburg and its environs. Some eyewitnesses claimed that they saw Satan himself.
The St. Petersburg housewife Nadezhda Lebedeva was rational and did not believe in evil spirits, but after a car accident, events that were not amenable to common sense began