en Cuevana 3. After the brutal massacre of a peaceful demonstration of the working people on their way to the Tsar, Lenin and other Party members in exile call for an armed uprising of the workers. At Presnya build barricades. The people are arming themselves. But the heroic armed uprising of the workers of Presnya is brutally suppressed by the tsarist troops. However, the struggle of the workers under the leadership of Lenin continued.