Rules of Vengeance features the same protagonists as Reich’s earlier book, Rules of Deception. We meet again Emma Ransom and her husband Dr. Jonathan Ransom. These are characters 
Jonathan Ransom, physician, is an idealist working for Doctors without Borders in Africa. His wife Emma is a spy. And Jonathan only recently learned this. What he still doesn’t know is who she works for. He thought he knew, and I thought I knew, but we didn’t.
The story begins with Jonathan’s arrival in London to deliver an address at a prestigious international medical conference. It takes off from there at high speed, into a tale with more twists than The Crookedest Street in San Francisco.
Once again Jonathan is trying to get in touch with his wife. He still loves her dearly. And he manages to do this. But by getting in touch with her, he gets involved in a chain of events far out of his control. Jonathan must soon face up to the fact that Emma may not be Emma at all, and that she most certainly is not working for the American intelligence organization he thought she was working for. And seeking the truth about his wife, his own freedom, indeed his life, is increasingly threatened.
Ransom is forced to a gauntlet in order to figure out just what he’s been pulled into. The plot is fascinating and the story is full of suspense, with MI5, the new KGB, and the police in the chase and with a major disaster just waiting to happen. Who is staging the game, and who are the pawns? A very interesting thriller!
While it is not at all necessary to have read the earlier book in order to enjoy Rules of Vengeance, I recommend it. The fundamental twist in the plot that this book represents would simply make it difficult to read them in reversed order.
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