An asteroid the size of Texas is heading directly toward the Earth at 22 000 MPH. NASA s executive director Dan Truman (Thornton) has only one option to send up a crew to destroy the asteroid. He enlists the help of Harry S. Stamper (Willis) the world s foremost deep core oil driller and Stamper s roughneck team of drillers to land on the asteroid drill into its surface and drop a nuclear device into the core. On this heroic journey they face the most physically and emotionally challenging conditions ever encountered to save the world and prevent Armageddon.