They were teachers, students, chemists, writers, and housewives; a singer at the Paris Opera, a midwife, a dental surgeon. They distributed anti-Nazi leaflets, secreted Jews to safety, transported weapons, and conveyed clandestine messages. The youngest was a schoolgirl of fifteen; the eldest, a farmer’s wife in her sixties.

Eventually, the Gestapo hunted down 230 women active in the French Resistance and imprisoned them in a fort outside Paris. Separated from home and loved ones, these disparate individuals turned to one another, their common experience conquering divisions of age, profession, and class, as they found solace and strength in their deep affection and camaraderie.

In January 1943, they were sent to their final destination: Auschwitz. Only forty-nine would return to France.

A Train in Winter draws on interviews and deep archival research to uncover a dark chapter of history that offers an inspiring portrait of ordinary people, of bravery and survival—and of the remarkable, enduring power of female friendship.