sentences:  The movie is based on Danil Koretsky’s novel of the same name, which has sold five million copies in the countries of the former Soviet Union and has acquired cult status among readers of Russian pulp fiction.Like the novel, the film became the box office leader among Russian films in 2002.Former criminal investigator, Major Korenev, nicknamed Fox, gets out of jail, where he spent many years after being betrayed by his corrupt colleagues, and settles scores with his old and new enemies.