The quiet of Agnès's convent shattered as it was repurposed into a war hospital. Meanwhile, Marguerite sought employment at the town's brothel. And with Jeanne's assistance, Suzanne made her escape to Switzerland.

Caroline's plans for the factory are undermined by her brother-in-law's interference. Agnès finds herself unexpectedly drawn to a new patient. Meanwhile, Marcel discovers the reason behind Marguerite’s departure from Paris.

Joseph holds Suzanne’s medical skill in high regard, yet Agnès continues to harbor doubts about her true nature. Meanwhile, Marguerite journeys to the front lines, tasked with returning Colin’s dog tag.

The lakeside ambush sparks a notion in Caroline's mind. Marguerite endeavors to secure employment for those expelled from the house of ill repute. Meanwhile, Till cultivates Agnès’ allegiance—and challenges her beliefs.

President Poincaré bestowed medals of honor upon Agnès, Suzanne, Marguerite, and Caroline; however, each woman carried a weight of concern that overshadowed the formal recognition.

Lucien’s coercion of Suzanne deepened, and at the convent, Agnès stumbled upon a deeply disturbing revelation. Meanwhile, Marguerite made an attempt to mend fences with Colin.

Agnès reached out to the diocese. Meanwhile, Suzanne hurried to help Joseph. Exposed by a spiteful Charles, Caroline faced perilous circumstances—and found herself within German territory.

With German forces advancing on Saint-Paulin and evacuation orders issued for all civilians, the resilience of those remaining is stretched to its breaking point.