Carpenter and Kaminska continue their search for Dragor. To complicate things the remains of Dragor's daughter are found in Ramsgate. His strings are pulled in Treste Italy. He is involved in a plot to assassinate members of the Royal Family. The stress on Dragor is immense. Will he survive it? Carpenter and Kaminska must stop him, solve the murders and stop a massacre, that would surely start World War III.
The story starts in Kent and ends in Balmoral Castle. The Queen's knowledge of betting and tennis help in the tense end of this story.