The entire work of Pavel Leonidovich Daletsky is connected with the Far East, where he came as a child. The most popular among readers was the epic novel "On the Hills of Manchuria", dedicated to the Russo-Japanese War. However, the novel "Concession" about the exciting, almost detective events of the late 1920s - early 1930s in Kamchatka is of no less interest. The young Soviet government declared the natural resources of this region, previously plundered with impunity by Japanese industrialists and fishing firms, to be the people's property. So that people would willingly go to uninhabited lands and not experience need, the Kamchatka Joint Stock Company was created, which took on the difficult responsibility of maintaining law and order in the gigantic territory and preventing its ruin. But the enemies of the Soviet regime and foreign competitors were not going to give up without a fight...