Fiona Ferguson's troubles began with a kiss ... But Fiona was hardly safe. As soon as he could, the marquess cast her and her sister out on the streets with only her wits to keep them alive. Alex has never forgotten that long-ago kiss. Now the dashing spy is desperate to make up for failing his duty once before. This time he will protect Fiona once and for all, from a deadly foe bent on taking revenge on the Ferguson line-and anyone who stands in the way ...