The Silken Cord (Medieval Romance Trilogy #2)
Leigh Bale

Once his betrothed, Princess Ariana of Wales has come to the slave auction to buy Wulfgar, a man she believes betrayed his king. Only Wulfgar knows how to free her young brother from the cruel ruler who has taken Wulfgar's place at Castle Cynan. But she is unprepared for the darkly handsome warrior who kindles a passion within her that threatens the lives of her people and her own soul.