Centuries in Hell have taken their toll on Apollyon. Tired of guarding the Devil, he longs to break free of the dark realm. The trouble is, he can't leave without permission. When he feels someone calling him, he seizes his chance for freedom, but what awaits him in the mortal realm is the last thing he expects-the beautiful woman he has watched over from Hell, a witch who casts a spell on him and awakens the darkest desires of his heart. Serenity...