Episode 1 - A Question of Intelligence

Peter Chapman, an electronics professor at the Polytechnic, is followed by two MI5 agents (we find out later it's Dexter and Lewis). The agents at MI5 have had trouble figuring out how to use the technical equipment they're given for surveillance, and two higher-ups, namely Maxwell and Drummond, are impressed with Chapman's teaching credentials. So Peter is given a small incentive to join up - he's fired from his job at the Polytechnic! He interviews for the MI5 position and when they finally tell him what it's really about, he asks for a code name. Maxwell says he's been watching too many movies, but Peter is disappointed so they give him a code name: Piglet. Piglet's job is to assist in instructing the agents on how to use the equipment. Unfortunately, he inadvertently bungles a job in which Dexter and Lewis were trying to prevent Peter's supervisor from defecting to the USSR. So Maxwell and Drummond read Peter the riot act for messing up his first day on the job, but at the same tim

Episode 2 - Fair Exchange

Peter starts having nightmares about being tortured by enemy spies. At the office, Peter is asked what he knows about a Dr. Volganyn. Peter has read a paper by this scientist theorizing about an invisible radio system - a completely undetectable listening device. The scientist, who is Soviet, is defecting and giving the secrets of the listening device to the British. Since the Russians know all the safe houses, the new guy, Piglet, is suckered into hosting this person at his house. Wondering what he will tell his wife, Sarah, he comes up with the story that the guy was one of his school classmates and that they played football together, but it turns out the defector is female. This creates some awkwardness between Peter, Sarah and Dr. Volganyn, whose first name is Nadia. Peter leaves the house briefly to pick up some lager, warning Sarah to be careful, but when he returns Sarah is gone. The Soviets, in an attempt to retrieve Volganyn, kidnapped the wrong woman. Lubenkov, an official wi

Episode 3 - A Room with a View

Episode 4 - The Ice-Man Cometh

Episode 5 - The Beagle Has Landed

Episode 6 - Now You See It

Episode 7 - A Private Member's Bill