Accustomed to easy victories, the irresistible Marquis of Inverary was stunned when he met a sharp rebuff, and from whom - from his own wife! The girl he married as a child unexpectedly turned into a seductive but obstinate beauty. But could he have imagined that it was the flower-shaped birthmark—the “Mark of the Devil”—and not her love for her rival that was the main reason for her refusal. And then there are political intrigues, the machinations of enemies who decided to play on the ignorance of people and accused his wife of witchcraft. And yet the oath taken in youth is not subject to the forces of evil.