Narrative views of agency and identity arise in opposition to reductionism in both domains. While reductionists understand both identity and agency in terms of their components, narrativists respond that life and action are both constituted by narratives, and since the components of a narrative gain their meaning from the whole, life and action not only incorporate their constituent parts but also shape them. I first lay out the difficulties with treating narrative as constitutive of metaphysical identity and turn to its function in practical identity. I then explore the ways narrative shapes our agency—by tapping into our motivational structures, providing an understanding of the social background within which our agency operates, guiding ...