"Hunting the Devil" is a TV series based on real events of the 20th century. Soviet scientist Mikhail Filippov conducted an experiment called the "hypnotic ray." The creators invite us to imagine what could have happened if the physicist's invention fell into the wrong hands. Intelligence agents from several countries embark on a chase for the secret weapon. The only one who can prevent a catastrophe is former Russian officer Max Livius, now working as a film director.