 A factual drama that highlights stories of survival based on personal diaries from 1883, including Dutch Controller Willem Beijerinck and his wife Johanna, as they struggle to save their family and colony. Interwoven with these stories are scientific experts and CGI that explain each aspect of the Krakatoa eruption, including how the pyroclastic flow and tsunamis were formed and the effects they had on the sea, land and people in their paths.