In 18th-century France, Maud de la Roche’s life is shattered when her father is murdered under mysterious circumstances. Determined to find his killer, she travels to Paris to live with an aristocratic grandfather whose existence she had never known about. Unwilling to conform to the expectations imposed on young women of her rank, Maud prefers to develop her skill with a sword and draws inspiration from a mysterious vigilante known as the Fox. Taking on the identity of the Scarlet Rose, she begins her own adventures. Her search for the truth soon leads her into a succession of conspiracies, journeys, and secrets where justice, romance, and mysteries connected to her own past become increasingly intertwined.