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 is twenty-four at the time, when the expected life-span of a radio-operator was six weeks. A group, codenamed Countryman, are briefed by London to get a certain German out of Vichy's hands - but what they don't know is that they themselves are being sold out to the Gestapo. Betrayal is the dread every agent lives with every minute of every day, but Rosie has survived to tell her extraordinary tale...