Part 4/8:
Amid family beach outings, Frederick and his family remain blissfully unaware of the mounting danger. Meanwhile, scientists piece together a grim picture: their data suggests that a portion of the volcano could collapse, triggering a massive tsunami that threatens multiple continents.
As tensions rise, Marie experiences a family emergency, prompting her to confront her brother, Eric, about the dangers that loom over the island. At the same time, Alo realizes the situation has escalated and begins contacting authorities to initiate a response to the looming disaster.