The main character is Stanislav Tikhonov, an investigator for especially important cases of the Moscow Criminal Investigation Department. Together with his task force, he investigates the most high-profile cases committed in Moscow in the late 1970s, including: the theft of a priceless Stradivarius violin, the disappearance of «Metaproptisol» - a unique «cure for fear», the smuggling of the Order of St. Alexander Nevsky and others.
