Murder Under A New Moon: A 1930s Mona Moon Historical Cozy Mystery

Robert Farley is now a bonafide duke, and solicitors from the Duchy of Brynelleth have come to negotiate his marriage contract to Mona Moon. When the three solicitors demand that Mona relinquish Moon Enterprises and live in England full time, she threatens to give Robert back his engagement ring and call off the wedding.

She says quite frankly, "I'm not going to give up one of the largest mining conglomerates in the world just so I can host dinner parties at Brynelleth for your snotty friend...