John and Daphne were married in Dallas, Texas, with both the CIA and FBI Directors in attendance. They left for a romantic honeymoon in England, but the first night they are in the city of London they are involved in an explosion in an historic pub. They determine that their old nemesis, Danny Briggs, was behind the bombing and is taking his criminal enterprise international. They also discover that Briggs may be trying to murder police officers and FBI agents, as well. They must decide how best to stop his plans to cripple law enforcement, as well as try again to get Danny Briggs off the street.