With Jeff in a hospital bed, Marty seizes the opportunity to tell him about a spy drama that he handled while he was still alive, involving a corrupt MI5 official and spy ring, the details of which he had never revealed before.
While still alive, Marty was hired by Major Brenan, a man pretending to be Sir Basil Dougan, a top MI5 official at a country club to retrieve "stolen" important documents from a perceived unloyal member of the British Sectre Service. However the morning after Marty and his hired Liverpudlian safecracker (who also personally steals a diamond necklace) successfully locate the documents, it turns out to be an actual theft from the real important member of MI5. Marty, in disgust, tries to hunt down the imposter Major Brenan and eventually locates him in the sauna of the country club where Marty is forced into an overheated sauna with his suit on (underneath the robes) to attempt to avoid capture from the imposter's henchmen.
Despite this he escapes and later overpowers one of the imposter's leading henchman who attempts to kill him in his car. Marty slams on the brakes smashing the henchman's head against the window, later tying him up in his apartment.