Alexej and his sister Aljona find themselves alone in the turmoil of the Russian Revolution. Their goal: the distant city of Berlin where their father promised to find them after the war. As they wander through the war-torn countries, they meet other children who join them along the way. Day after day they fight together for survival and grow stronger with every challenge. They become a family, a family of war siblings. But will they ever make it to Berlin? Will they be able to sleep in peace again, knowing they have found a home? And will Alexej and Aljona ever see their father again?