Ever since the Titanic’s 1912 sinking, fascination with the historic disaster and a desire to make sense of it has only intensified. In recent years, as deep-sea tourism became more popular, expeditions 12,500 feet down to the ship’s wreck site have catered to thrill-seekers. But on June 18, 2023, the line between fantasy and reality was crossed—with deadly results. As with all great dramas, the truth—and the ultimate meaning—is revealed in the details of the lives and deaths, the sights and sounds, the fleeting luxuries, the lasting trauma, the world that celebrated the Titanic and the world that mourned its unimaginable loss.