This highly publicistic film covers the notorious events in Czechoslovakia in 1968. Moscow city. Kremlin Palace of Congresses. Congress of People's Deputies of the USSR. Speakers (synchronously) KT Mazurov, E. Evtushenko, Mikhail Gorbachev. Moscow region. KT Mazurov's dacha. Speaks (synchronously) KT Mazurov about the events in Czechoslovakia in 1968. Newsreel. Soviet tanks on the streets of Prague. Burning tanks. Meeting of the Warsaw Pact countries. The document is signed by V. Ulbricht, V. Gomulka. City of Bratislava. House of A. Dubchek. Speaking (synchronously) A. Dubchek. Demonstration on Red Square. On the podium of the Mausoleum KT Mazurov, Mikhail Gorbachev.