In the spring of 1944 Rosie Ewing, a radio operator in Special Operations Executive is returning to German-occupied France. She's carrying a radio, half a million francs, a pistol and two cyanide capsules. Rosie knows that the man who'll be meeting her tonight may be a traitor. A frighteningly large number of agents have been arrested lately. Rosie knows what can happen to a woman in the Resistance, and still she takes her chances...