This tension, even contradiction, is inscribed in our screenplays because it’s baked into existentialism from the start. Take, for example, Dasein, that strange pilgrim character we meet in Heidegger’s Being and Time—the character who is us, Heidegger claims.1 My world is always shared, he emphasizes: “The world is always the one that I share with Others. The world of Dasein is a with-world [Mitwelt].”