The Hummingbird Dagger by Cindy Anstey

1833. After young Lord James Ellerby witnesses a near-fatal carriage accident on the outskirts of his estate, he doesn’t think twice about bringing the young woman injured in the wreck to his family’s manor to recuperate. But then she finally regains consciousness only to find that she has no memory of who she is or where she belongs. Beth, as she takes to calling herself, is an enigma even to herself. She has the rough hands of a servant, but the bearing and apparent education of a lady. Her only clue to her identity is a gruesome recurring nightmare about a hummingbird… Read more.