An evil nasty doctor named Dr. Ironside who is trying to develop a source of geothermal energy and doing so he starts a volcanic rift under the Big Apple! And now that a volcano is beneath New York City seems unlikely yet...nothing else can explain the bizarre tremors and terrifying explosions wreaking havoc on the city! But Matt, his geologist ex-wife, and a team of unlikely heroes have only a few sticks of dynamite and a prayer to rescue the city from volcanic!