Edmund and Lt Barley share a nice rat stroganoff in their tent when word arrives that tomorrow morning the troops are going "over the top". Could a feigned bout of insanity put Edmund on the road to Calais?
Edmund is given three weeks to find a spy in the hospital. He takes this as an opportunity to get on with the lovely Nurse Mary and to spend the better portion of those weeks in bed.
Itch, Tim and Lucy try to track down the rock, only to be set upon by the Bikers, while Lucy is pursued by a mysterious figure. In Seaburgh, Jack works with Darcy to investigate Greencorp.
Inspired by the incredible true story of the greatest security breach in US Intelligence history. Eric ONeill is assigned to work with renowned operative Robert Hanssen, the sole subject of a long-term, top-secret investigation. Determined to draw this suspected double agent out of deep cover, O'Neill finds himself in a lethal game of spy versus spy, where nothing is as it seems.