Commander Constance 'Bucky' Powers is Scotland Yard's top operative. As beautiful as she is deadly. Bucky uncovers a plot by a man known only as Mr. Zen to replace influential people with replicates that are under his control. Joining the Queen's Royal Bodyguards, she hopes to save who she believes will be Zen's next target. Prince William of England. This mission will require all of her special skills.