Hunter's nemesis, a killer named Bluebird, returns, leaving a toll of victims that leads Hunter and Marty to discover a Russian plot to discredits the design of an electric plant using nuclear power.
A professional killer dies during a car chase. Hunter assumes the man's identity in order to find out who hired the killer and who he was supposed to kill.
A witness testifying before a Senate committee investigating ties between organized crime and the GIA is murdered. Hunter and Marty must persuade the remaining witness that they can protect him if he testifies.
Hunter is assigned to aid with a spy exchange involving a veteran spy who was his mentor. However, during the exchange the spies from both sides suddenly disappear, having been kidnapped by a third unknown party.
While escorting a Chinese defector to a safe house, an American agent disappears, as does the defector. Hunter is assigned to find out what happened and retrieve both the agent and the defector.
After an American agent - a friend of Hunter's named Bill Wells - with information about the (fictional) African Republic of Chand is killed in Los Angeles while conducting an investigation, Hunter decides to continue the investigation that Wells started.
A file that is meant to only be seen by the President turns up missing. A shadowy group makes a deal to return the file in exchange for payment, but when Hunter and another government agent arrive to retrieve it, it is stolen by a different group.
