Robert Wagner plays James Greyson Culver, an investigator for a London insurance company. Greyson and his partner step in when someone starts killing members of a royal family
The clues in an airline hijacking suggest the return of the notorious D.B. Cooper.
The disappearance of a classic train intrigues James and Edward.
In Amsterdam, two women (Jean Smart, Annie Potts) pull off what they think is a $22 million sting against the man who double-crossed their father.
Gray and Eddie go after a male medium who claims he can communicate with dear dead of rich people.
The two investigators are assigned to go to Switzerland after an extortionist threatens to bomb a luxury hotel. Filmed on location at the Gstaad Palace Hotel in Gstaad, Switzerland. Young co-star Samantha Smith died in a plane crash in August, 1985, before completing all of her scenes for this episode. The remaining script pages were rewritten, and the episode was finally completed in October, by filming around Smith's character, having her away from home or in the next room.
As part of an elaborate stunt, a mystery writer challenges his readers to detect the clues in his latest novel that lead to the whereabouts of a buried treasure.