The Black Moth (version 2) - Georgette Heyer

Jack Carstares, oldest son of the Earl Wyncham, has been disgraced by his brother. Gone for six years, living the life a highwayman he meets the woman he will fall in love with. Saving her from being kidnapped by a dastardly blackguard he is injured and must stay with her family until he is able to return to his life...will she discovery his true identity? Will he be able to leave her when the time comes? Mystery and humor follow this intriguing cast of characters until the very end. (Summary by Terra Mendoza)