Suspended disbelief may be required to swallow the premise that pretty young women would walk for blocks and blocks with some guy close enough to them to stick a camera up their skirts and would never notice, but so what. Porn is all about fantasy, and the idea of sticking a camera up the skirts of gorgeous strangers for a peek at their frilly underthings (and maybe more!) will make even the most jaded voyeur frost her own panties.