Read The Convenient Marriage Storyline:
When the Earl of Rule proposes marriage to her sister Lizzie, Horatia offers herself instead. Her sister is already in love with someone else, and Horatia is willing to sacrifice herself for her family's happiness. Everyone knows she's no beauty, but she'll do her best to keep out of the Earl's way and make him a good wife. And then the Earl's archenemy, Sir Robert, sets out to ruin her reputation...Pages of The Convenient Marriage :