Maria's Revenge is about a London policeman who becomes a fugitive from the law because his wife (Maria) and son are blown up and burnt to death by an IRA bombing. After the two culprits are caught, they are eventually judged innocent. That sets Jeff Kane, the main character, on a course of vengeance. After tracking down and disposing of the two that killed his family in a violent way. He goes to France to help a friend that loses her husband, an old mate who worked for Interpol. The death of his friend turns out to be caused by Gun runners of the IRA. Jeff's involvement takes him through Europe, visiting; France. Italy and on into Turkey and back with numerous attempts on his life and unusual happenings to him.