“Rules of Revenge” is a new novel about Dr. Jonathan Ransom and his super-spy wife Emma. After the failure of the Swiss operation of the American intelligence service “Division” (“Rules of Deception”), for which Emma had previously successfully worked, Dr. Ransom for the first time in many years months, he gets the opportunity to meet his wife in London, where he himself is heading to participate in a medical congress. By a strange coincidence, at the same time, in the British capital, an attempt on the life of the Russian Minister of the Interior occurs, as well as a number of mysterious incidents, at first glance unrelated among themselves. What actually prompted Emma to appear in London at the risk of her life? This question is asked not only by her husband, but also by the Counter-Terrorism Department, and the homicide department of the Metropolitan Police, and the new chief of the “Division”, who dreams of getting even with Emma for the Swiss failure. However, none of them are able to fully imagine the full scale of the insidious plan that Emma Ransom is entrusted with carrying out. After all, none of them knows her real owners, as well as her real name...