Barney Upwright had once been one of the best Security Service surveillance watchers in the business. That had been in his heyday during the Second World War, looking out for enemy agents and Fifth Columnists, and then during the early days of the Cold War in London, trailing Soviet agents to and fro from meeting some source or other.
Now he was a broken down private detective who occasionally did "funny" jobs for those boys across the river in Lambeth and his old mob at the Security Service. Most of his day-to-day work was the mundane jobs; process serving court papers, following cheating spouses ("Matrimonials" they called it these days) and tracking down people that owed money. But occasionally, just every now and then, he"d get a call from his old firm or their sister service, asking
