Criminals kidnapped the son of the chairwoman of the city administration. Feelings of helplessness and fear follow. A series of checks, mocking calls, humiliating requests for help to colleagues in the "shadow business" goes on and on.

A police detective is trying to find a murderer who uses a new recently developed drug for his crimes.

The detective story is based on the search for Antonio Stradivari’s missing violin. An additional historical storyline takes the viewer back to the 17th century and focuses on the life of the Master and his work on the violin.

A drama about a psychological duel between a police detective and career criminal.