"16-year-old Valya knows what it feels like to fly. She's a pilot who's always felt more at home soaring through the sky than down on earth. But since the Germans surrounded Stalingrad, Valya's been forced to stay on the ground and watch her city crumble. When her mother is killed during the siege, Valya is left with one burning desire: to join up with her older sister, a member of the famous and feared Night Witches-a brigade of young female pilots....