1905. Unrest breaks out at the Obukhov Plant in St. Petersburg. Workers protest, demanding the reinstatement of comrades fired for calling for participation in the May Day demonstration. Police, summoned by the plant's management, crack down on the workers. But the unrest continues. Solidarity strikes break out at factories and plants across the country. The tsarist government decides to suppress the labor movement. To this end, the secret police establish their own organization among the workers, led by the priest Gapon...