Seasons & episodes

S2 · E11The Rocket 1959-06-21 · 30 min＋

After loosing big at gambling, Smith, the transport officer at Castle Hill is offered a large amount of money to leak the departure time of a major new experimental rocket section that is being driven up to Scotland for testing. The shipment is hijacked, and Peter Brady who worked on it, sets out to track it down.

S2 · E12Shadow Bomb 1959-06-28 · 30 min＋

Military scientists have been working on a new form of explosive mine containing a light sensitive cell (designed by Peter Brady), that will detonate when a shadow passes over it. During testing there is an accident and an officer is trapped in a pit next to the mine, unable to move. With only a few minutes before the edge of the pit casts a shadow over the sensor, they call the only man in the world who could get to the mine without casting a shadow...

S2 · E13The Big Plot 1959-07-05 · 30 min＋

After a plane crashes on arrival at a British airport leaving no survivors, the investigators discover that a component for an atomic bomb had been hidden inside some of the baggage. They suspect that individuals might be planning to plant a bomb under London and begin the search for a replacement piece that would probably be on its way.