When Rosie Ewing (wartime secret agent) read Alexander Fullerton's four novels based on her adventures in German-occupied France, she wrote to him suggesting that he might like to hear the story of her first mission, when she'd parachuted into moonlit countryside near Cahors and made her way down to Toulouse to join the SOE network as a radio-operator and courier.

Rosie was twenty-four at the time, and the expected life-span of a radio-operator was six weeks. A group, codenamed Countryman, was briefed by London to get a certain German out of Vichy's hands. What they didn't know was that they themselves were being sold out to the Gestapo. Betrayal was the dread every agent lived with every minute of every day and night, but Rosie lived to tell the tale...