This article explores some innovations in the concept of identity in contemporary science fiction film. Using a narrative-semiotic method of analysis, the article discusses an emerging trend in science fiction that questions mainstream cultural beliefs regarding motivations for action and definitions of individual agency. Focusing on Alex Proyas's Dark City (1998) and Andrew Niccol's Gattaca (1997), the article traces the ways in which this trend rearranges elements in narrative positioning to bring to light relational possibilities that challenge privileged attitudes toward who we are and why we act the way we do. The selected films deal creatively with questions concerning the causal eects of past events, origins, or heritage, and give in...