Dr. Harry Dalton (Pierce Brosnan) is a volcanologist at the U.S. Geological Survey. This time he was sent to inspect a small town on Dante Peak, where Dante Peak is a dormant volcano near Washington. Harry came to the town just as Mayor Rachel (Linda Hamilton) was hosting a celebration because the town had just won the second place in the best living environment in the United States. Rachel and her two children took Harry around. Passing by the hot spring lake, Harry noticed that the lake water was too acidic and found two cooked floating corpses. Harry felt that the situation was not good and the volcano was very likely to erupt. He suggested that Rachel issue an early warning, but Paul, Harry's boss, thought he was overreacting and planned to return home after completing a week of exploration. The town committee also refused to issue an early warning for various interests. However, one night, the water in the town was suddenly polluted by sulfur, which was a precursor to the volcanic eruption. Rachel immediately launched a national evacuation plan, but her mother refused to evacuate on the mountainside. At this moment, the volcano erupted uncontrollably...