In 1917, Russia is losing the war with Germany, soldiers are deserting in droves, and food shortages on the home front are pushing people to the brink of revolution. Seventeen-year-old Katya is politically conflicted, but she wants Russia to win the war. Working at a munitions factory seems like the most she can do to serve her country—until the government begins recruiting an all-female army battalion. Inspired, Katya enlists. Training with other brave women, she finds camaraderie and a deep sense of purpose. But when the women's battalion heads to the front, Katya has to confront the horrifying realities of war. Faced with heartbreak and disillusionment, she must reevaluate her commitment and decide where she stands.