In Nazi-occupied Paris, Christian Dior fears for his resistance-fighter sister, Catherine. Coco Chanel makes a deal that will forever haunt her.

Christian embarks on a quest to free Catherine from German captivity. Coco is sent on an undercover mission and recruits her friend Elsa.

Christian is offered a job that will forever change the course of his life. Coco struggles with her outsider status as she's self-exiled in Switzerland.

Desperate to stand up to her business partners, Coco begins a war over her most famous perfume. Christian must redefine his relationships.

Christian tends to family matters that will forever influence his aesthetic. Coco must make a deal with Spatz as Elsa's addiction intensifies.

Christian's major decision puts his first fashion show in danger. As Coco confronts her partners, Spatz threatens her freedom.