In a time of raids and ransoms, Aiden MacLeod is responsible for a formidable Scottish keep and all the people within. Yet the fearless Highland laird never forgets his charge to shield his young half-brother from the grave consequences of his tragic birth. But an alluring stranger known only as Syrena could undo all of Aiden's defenses.

For Syrena has vowed to bring Aiden's brother to a realm far from the Scotland of their understanding. To succeed, she is at Aiden's mercy. Ignoring his attraction to the beautiful Syrena is pointless. But if Aiden lets himself trust the enchanting woman who has so quickly captured his heart, he'll be forced to risk everything he has sworn to protect...