Lady Fiona Hollingsworth never thinks of herself as particularly daring—until she learns that her beloved brother needs her help. But when Fiona approaches the powerful and enigmatic Nicholas Birmingham with a scheme in mind, she is taking a far bigger risk than she knows. For Fiona's exchanging more than vows; she's striking a delicious bargain with the devil himself—and Christmas provides more than enough opportunity for wicked mischief under the mistletoe.