Mike Roark (Tommy Lee Jones) is a by the book emergency management director who is spending the weekend with his daughter, Kelly (Gaby Hoffmann). During this time previously unknown volcano blows. Sassy, brainy scientist Dr. Amy Barnes (Ann Heche) is the first to warn of the threat, which begins by sucking one of her co-workers into a steaming fissure. As the lava starts to turns into red hot...

Mike Roark (Tommy Lee Jones) is a by the book emergency management director who is spending the weekend with his daughter, Kelly (Gaby Hoffmann). During this time previously unknown volcano blows. Sassy, brainy scientist Dr. Amy Barnes (Ann Heche) is the first to warn of the threat, which begins by sucking one of her co-workers into a steaming fissure. As the lava starts to turns into red hot fireballs, Kelly is injured, and Mike sends her to the hospital in order to attend to his duties, rescue citizens, and run the city's emergency response. Eventually, Roark and Barnes team up to battle the eruption. Will they succeed in saving people and stopping the Lava?