Moscow. Preparations for the celebration of the 10th anniversary of October on Red Square, a rehearsal for the military parade. Columns of demonstrators with cartoons of the world bourgeoisie and banners pass through the streets, along Red Square, there are foreign delegations. A military parade on Red Square with the participation of infantry and artillery. Guest bleachers. On the platform of the Mausoleum: V. I. Stalin, S. M. Budyonny and others. Illuminated streets and buildings (evening shooting).