The main character of the series "Taiga Detective" is Deputy Colonel Alexei Yartsev of the Ministry of Internal Affairs. He is assigned to serve in the remote Siberian town of Lesnogorsk. The man is not thrilled about this appointment, but he is confident that it won't last long. Ahead of him lies a successful career, and in the meantime, he can just be bored in a place where nothing ever happens anyway. However, the town does not live up to his expectations. Soon, a man's body is found in the nearest forest ranger station. It turns out that the ranger was afraid of something before his death.