香港三级片：光影背后的秘密与挣扎动漫美女露内裤扒开腿让男生通

　　Until the end of the nineties, the Hong Kong cinema that explored the limits of sex and violence without shame was labeled "category III". Calum Waddell's new documentary, an exhaustive investigator of the mysteries of genre film, is immersed, through interviews and archival images, in one of the most wild and exciting popular film cycles.