The giant eel suddenly releases the Nautilus when an eerie red glow appears. The Ring of Fire. A range of underwater volcanoes. The Nautilus will not rise, even as the temperature does. Worse yet, Blaster discovers a crate of guncotton that will blow if it’s not cooled. One by one, the crew fall sick with an illness from the island. With everyone else onboard unconscious, Humility must fight off succumbing to a comatose state, and save them from certain death. (thetvdb.com)