The TV series "The Alchemist. Faust's Elixir" is a mystical detective story about several generations of Russian and Soviet chemists. In 1916, Dr. Alexander Nevelsky obtains an amazing potion as a result of a secret experiment, which can prolong life and youth. However, British spy Oswald Reiner enters the game. He kills the scientist and steals the vial, along with all of Nevelsky's notes. As a result, the recipe ends up in the hands of a simple maid from the "Astoria" hotel.