Darcy's Deal: A Pride & Prejudice Novella Variation

Fitzwilliam Darcy must marry or lose guardianship of his misbehaving young sister. Elizabeth Bennet has been sent to her godfather's house, political associate to Darcy's uncle, to live to escape her mother's anger. Giving up their dreams of a love match, can these two strangers find happiness in a marriage of convenience? Or will others separate their fledgling bond before the marriage begins?