The document discusses how social groups are represented in the film noir genre. It focuses on the representation of the main characters - the male detective and the female femme fatale. The detective is typically depicted as a middle-aged, well-dressed white man from a middle or high social class. Meanwhile, the femme fatale is usually shown as a beautiful, manipulative young white woman. However, the film noir being discussed subverts some of these stereotypes by portraying the femme fatale as having power and influence over the detective, even leading to his death. Both main characters are of white ethnicity, as non-white people were rarely featured in lead roles during the 1940s-1950s era of classic film