About the book: 1963 / This book tells about the security officers, their difficult destinies and heroic work. The story is based on actual historical events and episodes the fight against the underground forces of counter-revolution in the first years of Soviet power. Specific people are depicted in the stories under fictitious names - some of them were alive at the time the book was published. However, the book does not pretend to be documentary: true facts are intertwined in it with fiction, and the image of the central character - Alexei Mikhalev - is a collective image of a young security officer from Dzerzhinsk , one of that glorious cohort of people who were called "knights of the revolution".