4. Femme Fatal Classic code and convention of a film noir is that it nearly always has a ‘femme fatal’. She would use her feminine wiles and sexuality to manipulate the cynical, hard hearted disillusioned male character. The females in film noir were either of two types - dutiful, reliable, trustworthy and loving women; or femmes fatales - mysterious, double-crossing, gorgeous, unloving, predatory, manipulative and desperate women. Usually, the male protagonist in film noir wishes to escape their past, and have to choose what path to take (or have the fateful choice made for him). If they choose to follow the dangerous but desirable wishes of these dames. It would lead the hero into committing murder or some other crime of passion coupled with twisted love.