Anoilcompanyisdrillinginasmalltownandsuddenlytheyfacevolcaniceruption.Thisseemsasmalleventatfirstsightbutsoonitbecomesclearthatitisthestartofalongchainoferuptions.Inthemovieweseepeoplerushingtosavetheirlivesandgraduallyitbecomesaglobalphenomenathathasabilitytoenfulfthewholeglobe