A film about the life and activities of the Polish revolutionary Ludwik Waryński. In his memoirs, Ludwik returns to his student years in St. Petersburg, to Warsaw, to Krakow, where he was arrested and put on trial. After the end of the process in Krakow, Waryński leaves for Geneva, where he meets with Russian revolutionaries. In 1881, he returned to his homeland and created the first party of workers in Poland...

A story about the tragic events in the life of besieged Leningrad from September 1941 to January 1943.

"Iskra" is the codename for the plan of the operation of the Soviet troops to break the blockade of Leningrad. In January 1943, the blockade of Leningrad was broken. A corridor 8-11 km wide was formed between Lake Ladoga and the front line.

In June 1941, the Extraordinary Defense Headquarters of Leningrad, under the leadership of Zhdanov and Voroshilov, decided to build the Luga defensive line. Heavy fighting west of Pskov forced units of the front to withdraw, and on July 9, Pskov was also abandoned. The battles in the Luga direction held back the enemy. The first attacks of the Germans, intending to cross the Luga line on the move, were repulsed with heavy losses for them.

Korney Korneevich Polunin is a career military officer, a retired colonel. His wife died when his son was one and a half years old, Alexey had already grown up, became independent, and they rarely see each other. Unable to stay at home, Polunin goes to the factory as a locksmith - in his old specialty. Friends perceive this as an oddity, and they look at him warily at work. But a group of teenagers comes to the plant's personnel department, and Polunin undertakes to lead this team, instilling in it respect for work and awareness of his need to achieve the final result of work.

Civil war. Residents of the Ukrainian village of Ostapovka decide to take a neutral position and wait out the war. But not everyone agrees with this point of view on current events. Young people unite and join the ranks of the fighters of the revolution...

Film-biography of Waclaw Worowski, a Moscow-born Pole turned Soviet revolutionary extremist.