Tells the story of two unconventional American sisters who volunteer at the front during World War I...Stationed at a makeshift hospital in Ypres, Belgium, Ruth soon confronts war's harshest lesson: not everyone can be saved...Elise, an accomplished mechanic, finds purpose and an unexpected kinship within the all-female Ambulance Corps. Through bombings, heartache, and loss, Ruth and Elise cherish an independence rarely granted to women.