
The story concerns the events in Saint Petersburg on the eve of the First World War. Private detective Petya Chukhontsev, a law student who has not completed his studies, investigates the case of the murdered inventor Kuklin. He was murdered exactly as he predicted during a New Year's visit to Chukhontsev. While investigating the Kuklin case, Petya soon realizes that the central figure in this case is the German Scholz, the owner, who cheaply buys up the inventions of Russian craftsmen and hands them over to the spy Siegfried Gay, an advisor to the German embassy. . However, Petya will soon understand that it is better to mind his own business...
Genres:

Mikhail Morozov as Chukhontsev

Oleg Efremov as Zanzeveev

Boris Plotnikov as Kuklin

Yuri Bogatyryov as Major Gei

Innokentiy Smoktunovskiy as Member of counter-intelligence

Sergey Shakurov as Scholtz

Mikhail Kononov as Former detective

Nikolay Kryuchkov as Policeman

Leonid Kuravlyov as Count

Olga Mashnaya as Wanda's maid

Sergey Migitsko as Colonel Bobrin

Grażyna Szapołowska as Wanda

Vladimir Maksimov as

Mikhail Birbrayer as
Made by edimario