An epic novel about the life of the revolutionary internationalist F. E. Dzerzhinsky . The events described in the book take place in 1900-1911. The author creates a large-scale picture of pre-revolutionary Russia, tracing in detail the course of events and showing this segment of the history of the Russian Empire as if from the inside and at the same time from the standpoint of his time. The book is based on authentic documents, so the reader can impartially and objectively look at the situation in the Russian Empire of that time, to assess the place and role of Felix Dzerzhinsky in the revolutionary events.