Knight's Possession
Carole Mortimer

Still, she discovered a champion the night her fiance broke their engagement. She was grateful when her stepbrother, Reece, announced to the party of well-wishers, "Laurel has realized she can't marry Giles, because she loves me."
In private, however, Reece became a threat. "I'm looking for love. You're avoiding it," he accused - as if he'd sighted a dragon, after all.