The film is a story about the espionage and subversive activities of foreign intelligence services against the USSR. New York City, Pentagon. City of Washington, Central Intelligence Agency. American military attaché Robert Walker Grow in trips around the USSR, on Red Square; excerpts from R.W.Grow's diary on his intelligence activities. Press conference of former American intelligence officers B. Mitchell and V. Martin for Soviet and foreign journalists. The trial of the American tourist spies P. Sonntag and V. Naumann. The investigator interrogates the American spy M. V. McKinen. American spy pilot F.G. Powers. Classes of cadets at the American intelligence school. Say (synchronously) former agents of American intelligence: Kravets-Sorokin, Kudryavtsev, K. Ramanis, Deksnis, Golub. The investigation into the smuggling of jewelry and currency. Attributes of the espionage activities of foreign intelligence officers: false documents, caches, weapons, secret instructions.