Left a widow by her cruel husband's death, Lady Emmalyn of Fallonmour is determined to control her own destiny, until her hard-won vows of independence are threatened by the mysterious warrior sent to protect her castle on order of the king. Emmalyn is now at the mercy of Sir Cabal, a feared knight known as Blackheart.
Skilled at war and hiding a tormented past, Cabal swears allegiance to no one but himself and his country. But once he meets Emmalyn, he finds his strength tested by this proud beauty who stirs his blood with desire, tempting him to defy his king and surrender his heart.