Rachelle Macquinet, couturiere from one of France's most celebrated silk-making families, is under palace arrest at Saint Germain-en-Laye. While Rachelle creates a royal gown, she is ensnared in the Queen Mother's plot against the Huguenots and must use her wits to preserve her own life.
Fabien has returned from a venture against Spain to claim Rachelle as his bride, but not without a price: the Queen Mother plans to implicate him in an assassination!