Ambitious Emma Eckhert successfully makes her way into a world previously reserved for men: that of high finance. She quickly becomes popular with small savers, but leads a scandalous life that will cost her.

1730: shortly after the revocation of the Edict of Nantes, women refusing to abjure Protestantism are imprisoned in the Tower of Constance. Among them, Marie Durand, who would later become an icon of the Huguenots. All these women consumed by loneliness, illness and fear cling to only one idea: to resist.