North of Barcelona’s Old Town, in the Eixample district, the organically shaped towers of the Sagrada Família soar into the sky. Inside, visitors are immersed in a floral and botanical world, as if carved in stone. In February 2026, the cross was placed atop the most recently completed main tower—and since then, the Sagrada Família has been the tallest church in the world. Why has it taken over a century to complete Gaudis life’s work? What inspired him during the design phase, and above all: How does one complete a work without its creator? To explore these questions, the film delves into the world’s oldest active construction site and traces its history as well as the most recent architectural decisions. Experts in history and architecture discuss Gaudí and his work. The film also highlights the challenges associated with continuing construction and how the Catalan master’s successors interpreted and implemented this visionary project.