Krakatoa sits in Indonesia's Sunda Strait between Java and Sumatra, dormant for roughly two centuries before pressure building beneath it finally breaks loose on 27 August 1883. This docudrama reconstructs the months leading up to that eruption through reenactments drawn from survivors' diaries and journals, with actors playing the Dutch geologists who first log the tremors and rumblings nobody yet understands as warning signs. Computer-generated graphics show the mechanics of the blast itself, an explosion loud enough to be heard roughly 3,000 miles away, and the tsunamis it triggers wipe out 165 nearby villages and kill more than 35,000 people, even though the island itself is uninhabited. Black-and-white photographs taken by survivors document the aftermath directly. Modern volcanologists and researchers break up the narrative to explain what the eruption revealed about subduction zones and plate collision, and the film draws a direct line to the 2004 Indian Ocean tsunami as evidence that comparable disasters remain unpredictable even now. It closes on the open question of whether another eruption on this scale is simply a matter of time.