Lyudmila, a devout Communist Party member and an idealistic war veteran of World War II, is unwavering in her support for the Soviet regime, despite any anti-Soviet sentiments. Alongside other local party officials, Lyudmila witnesses a series of events during a strike at a local factory, in which her own daughter is also involved. As the situation quickly spirals out of control, Lyudmila desperately searches for her daughter amidst curfews, mass arrests, and the authorities' ruthless attempts to cover up state violence. Throughout this process, Lyudmila's unquestioning belief in the party line is shaken to its core.