Olga Andre

Susan Hart, assistant to private detective Russ Ashton, is given a camera concealed in a hat box and assigned to take a picture of a woman. A gun is accidentally hidden in the box and the woman is killed. Susan is charged with murder, but Russ and his less-than-useful associate, Harvard, get on the case and prove that the fatal shot was fired by the killer from across the street.

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...