"...A telephone call about an armed attack on a passenger bus was heard at the district police duty station in the middle of the night... The picture that appeared to the eyes of the operatives turned out to be depressing. The driver and one of the passengers were shot dead right on the bus. The third corpse lay face down on the side of the highway..." . This and a number of other bloody crimes that befell a quiet regional town will have to be unraveled by Anton Biryukov and his colleagues - the constant heroes of Mikhail Chernenko's novels...