Leonid Isaakovich Yarmolnik is a Soviet and Russian actor and film producer.
A group of scientists is sent to the planet Arkanar to help the local civilization, which is in the Medieval phase of its own history, to find the right path to progress. Their task is a difficult one: they cannot interfere violently and in no case can they kill. The scientist Rumata tries to save the local intellectuals from their punishment and cannot avoid taking a position.
When eighteen-year-old Pasha rescues a beautiful young woman from a band of strangely powerful attackers, he discovers an underworld of supernatural beings living among us.
A writer in 1930s Moscow has his work banned and is expelled from the official union, leaving him without income. He then writes a novel about a mysterious dark visitor and gradually starts confusing his real life with the story.
