After the collapse of the British army at Dunkirk in June 1940, British Military Intelligence tried to establish a spy net work in Europe, particularly in France, but a mole in the newly organized MI-9 compromised the plan. A British Army officer is parachuted into occupied France as an intended spy and into the life of Elaine Moreau. She finds herself involved in his existence and safety. Thus begins the struggle as both fall into the spiders web.