The Earl, the Vow, and the Plain Jane

Bereft of beauty as well as fortune, the exceedingly plain Miss Jane Featherstone has failed to attract any suitor during her three Seasons. Rather than be a burden to her brother and his obnoxious wife, Miss Featherstone vows to accept the first man who asks—even though she's always worshipped a lord who's far above her touch. . .
Lord Slade must marry an heiress in order to honor the deathbed vow he made to his father, and he needs Miss Featherstone's help in wooing her beautiful cousin. After her initial anger, Miss Featherstone agrees to his scheme, telling him she's doing so because she admires his Parliamentary record of humanitarian legislation and his reverence for truth. But the more he's with the two cousins, the more attracted he becomes to Miss Featherstone. What's a man of his word to do? Break a vow to a beloved father—or follow his heart with Miss Featherstone?