On April 15, 2019, the world watched in horror as flames erupted from the rafters of Notre-Dame Cathedral – an event that captivated global audiences and ignited an overwhelming response of loss, awe, and shared cultural grief. Why did the threat to this sacred space resonate so deeply, even among those with no religious affiliation? Bishop Robert Barron returns to France to answer this question, taking the viewer on a cinematic pilgrimage.