Dr. Harry Dalton (Pierce Brosnan Pierce Brosnan), a volcanologist at the United States Geological Survey, was sent to visit a small town on Mount Dante, a dormant volcano near Washington. Harry's arrival in town coincides with Mayor Rachel (Linda Hamilton Linda Hamilton) hosting the celebration because the town has just won the second best living environment award in the United States. Rachel and her two children showed Harry around. Passing by the hot spring lake, Harry noticed that the lake was too acidic and found two boiled floating corpses. Hareton felt bad that the volcano was likely to erupt and advised Rachel to issue a warning, but his boss, Paul, who was traveling with Harry, thought he was overreacting and planned to return home after a week of exploration. The town council also refused to issue a warning out of various interests. One night, however, the water in the town was suddenly contaminated with sulfur, which was the harbinger of a volcanic eruption. Rachel immediately launched a national evacuation plan, but her mother refused to evacuate on the hillside. At this point, the volcano has.