The article firstly emphasizes on the style and characteristics of film noir as a genre, then explores the ultimate question that if film noir is a genre through multiple discourses, and finally examines the change and evolution of femme fatale characters. The primary text to deal with these questions is the film Bound, the article aims to explore the breakthrough image of femme fatale in this film, and examines its nostalgic elements and novel narratives. The concept of liminality by Homi Bhabha can be applied to interpret film noir and femme fatale, that both of them are situated in a vague and undefinable liminal space.