The Purple Mask(1955)

France, 1803: 11 years after the Revolution, a royalist underground is led by a new 'Scarlet Pimpernel', the Purple Mask, who rescues nobles in distress and kidnaps Napoleon's officials for ransom, aided by the spy services of a group of lovely models headed by Laurette (really the Duc de Latour's daughter). But even she doesn't know the Purple Mask's real identity as foppish dancing master Rene...