This documentary explores Leonard Cohen’s life through the lens of his song “Hallelujah,” tracing its transformation from a rejected track to an international anthem. Directed by Daniel Geller and Dayna Goldfine, the film captures Cohen’s journey from poet to singer-songwriter, intertwining his spiritual struggles, creative perseverance, and evolving musical style. Rare archival footage, personal journals, and interviews with friends and collaborators—including John Cale and Brandi Carlile—illustrate how Cohen refined "Hallelujah" over years, creating a work that would later be covered by Jeff Buckley, propelling it to cultural prominence. Using Cohen's own words and insights from major artists, the film reveals "Hallelujah" as both deeply personal and universal, underscoring its role as an enduring symbol of faith, love, and resilience.