Ilya Severov

After what happened in the ill-fated hut 2 years ago, the Nerd is still haunted by nightmares. He decides to re—start the investigation, and the evidence leads him to a frightening conclusion - the YouTube corporation is behind the events of that night, as well as a new threat to the guys and all of humanity.

Leningrad under siege. Trezorka the dog hunts hares and brings them back to his owners.

Artem, a troublesome and difficult teenager, is sent to work as a volunteer at a recreation centre for disabled children. It is only when he forges an enduring friendship with a paralysed boy called Kostya that he is able to conquer his own demons.

In this TV-series the events of the beginning of the 20th century in Russia are highlighted. Revolutioners, terrorists, spies - and investigator Putilovskii and his team fight them as best they can.