Teleplay by the Vakhtangov Theater based on B. Shaw's play of the same name.

Bolshevik Mravin, under the name of engineer Pyotr Ivanovich Lednev, risking his life, takes V.I. Lenin’s “Letter to the American Workers” to America. With the help of John Reed, he publishes it in one of the newspapers.

The events take place in Russia in 1917. A former peasant, and now a soldier, Ivan Shadrin, was sent by fellow soldiers from the German front to revolutionary Petrograd to hand Lenin a letter with questions from his comrades.