Tianhuo Island is as beautiful as a paradise. It almost makes people forget that it is in the Ring of Fire the world-famous Pacific Rim volcanic belt. Young geologist Li Xiaomeng brings her team to the island to develop the first volcanic monitoring system. Her father, Li Wentao, a volcanic expert who was on the island 20 years ago when it erupted, rushes to the crater after learning about it, trying to persuade his daughter to leave.The volcano erupts and the fate of everyone on the island becomes entangled. In order to see the sun of tomorrow, they must reconcile with the past, and work together to find their way to safety.