Two leading characters, Andrey Andreevich and Oleg Borisovich are both retired colonels. One of them headed a local KGB department and the other a local police station. But time came to retire and hand over the life-work to the younger. Though quiet regular life is not their cup of tea... A brutal murder of a famous businessman and police`s inaction make the retired officers remember their field service skills and declare war to the local crime groups. They skillfully manipulate events and cause clashes among crime groups. As a result the latter start destroying one another. When the State Office of Public Prosecutor learns about the situation in the city, they knowingly send there a seemingly hopeless detective, Elena Reshetnikova. However, Elena proves to be a truly professional investigator.