With the fishermen's life on the southeastern coast in the early 1960s as its background, the film depicts a group of militia women who work both as fisher women and fighters defending their homes and the motherland.

In 1918, shortly after the Soviet Socialist Revolution in October, the Red Army soldier Savelyev went to Moscow and was assassinated by counter-revolutionaries at a small station. The sons Vasya and Misha have just lost their mothers, and now they have lost their fathers, and they have no choice but to wander into Moscow. Lenin and Dzerzhinsky met the two children and took them in and took care of them.