The film tells about the Central Museum of the USSR Revolution. Stills of the film "October" (storming of the Winter Palace). Halls of the Museum of the Revolution. People. Foreign guests. Guide. Exhibits. Photographs. Museum stairs. Paintings. Documentation. Diorama. Restoration workshop. Order. Books. Demonstration of workers. Workers of the army and navy. The monument to the tsar is crumbling. The revolutionaries are released from the Peter and Paul Fortress. Visitors to the museum. Exhibits. Newspapers. Shots of the film "October". Paintings. Posters. Lenin is speaking. Steelmaker. Dneproges. The first tractor. P. Krivonos on a steam locomotive. Miners. Soldiers are sworn in at the museum. Yuri Gagarin speaks on the phone.