Deep inside Pennsylvania's Quecreek mine, 18 workers descend for their evening shift on 24 July 2002. A few hours later, their lives are plunged into peril when one of the miners accidentally breaks through into a long abandoned mine.
A Russian mini-submarine runs into trouble in 2005 in the North Pacific. With the crew trapped deep underwater and running out of oxygen, international rescuers begin a desperate race against time.
Elite British soldiers must mount a daring rescue in a diamond rich African trouble-spot to save British peacekeepers and a Sierra Leone Army officer kidnapped by a notorious rebel gang.