Asher MacGregor, Earl of Balfour, grudgingly agrees to squire Boston heiress Hannah Cooper about the London social season to return a favour. Hannah, sent by her stepfather to find a husband for his own greedy purposes, has no interest in staying in London for long. But when outside circumstances push Hannah and Asher closer together, they begin to fall for one another. If only there wasn't an ocean of impossiblities standing between them…