Two weeks before D-Day, the French Resistance attacks a chateau containing a telephone exchange vital to German communications – but the building is heavily guarded and the attack fails disastrously.
Flick Clairet, a young British secret agent, proposes a daring new plan: she will parachute into France with an all-woman team known as the 'Jackdaws' and they will penetrate the chateau in disguise. But, unknown to Flick, Rommel has assigned a brilliant, ruthless Intelligence colonel, Dieter Franck, to crush the Resistance. And Dieter is on Flick's trail . . .