In the distant city of Blagoveshchensk, a father and his two sons, Rodka and Kostya, live together. After graduating from college, Kostya works as a surgeon and suffocates from the "greyness" of others, and 15-year-old Rodka suffers from the inability to help people. One day, a young woman appears in their house, whom Kostya brings.
Black public figure Jim Taylor is pursued by the police. He dies from a bullet in the head. In a private clinic, he is transplanted with the brain of Sheriff Maclain, who died in a car accident. While remaining black, he begins to think like a racist Maclain.
The main character, nineteen-year-old Anastasiy Chizhov, was appointed commander of the Zver patrol ship. Under his leadership, the old fishing vessel becomes a strong fighting unit.
