Police Captain Vitaliy Tumanskiy is obsessed with personal vengeance. His wife is accidentally killed during an assassination attempt, and now the captain is determined to find the culprits at any cost. To maintain his position in the police force, Tumanskiy is forced to focus on current affairs. To assist the captain, the commanding officers assign an attractive young woman, Senior Lieutenant Suvorova, and a local police officer who recently arrived in Moscow from the North. They have very different personalities, but they are forced to learn to work together to solve crimes and assist Captain Tumanskiy in his personal investigation.