Tianhuo Island is a beautiful paradise. It almost makes people forget that it is located in the "Ring of Fire", the world-famous Pacific Rim volcanic belt. Young geologist Li Xiaomeng brings her team here to develop the first volcanic monitoring system, the Suzaku. Li Xiaomeng's father, Li Wentao, a volcanic expert who has retired for many years, rushes to the crater after learning about it, trying to persuade her to leave. At the same time, expedition expert Zheng Nan dives in