The film is about the Russian thinker and publicist P.Ya. Chaadaev. The director of the film, Y. Menshikov, in the process of working on the film, draws a portrait of P.Ya. Chaadaev, reads excerpts from his diaries, letters, works, talks about him (synchronously and behind the scenes). Moscow city. The interiors of Y. Menshikov's apartment. Ground entrance hall of the Kurskaya metro station. The building of the Kursk railway station. The territory in front of the entrance to the Donskoy monastery. Cemetery of the Donskoy Monastery. The grave of P.Ya. Chaadaev.