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When a plane crashes into the Antarctic ice, exposing a massive cave beneath, a rescue and research team is dispatched. Twenty-four hours later, all contact is lost. Captain Alex Hunter and his highly trained squad of commandos are fast tracked to the hot zone to find out what went wrong - and to follow up the detection of a vast underground reservoir. Accompanying the team is an assortment of researchers, including petrobiologist Aimee Weir. If the unidentified substance proves to be an energy source, every country in the world will want to know about it - some would even kill for it. Once inserted into the cave system, they don't find any survivors - not even a trace of their bodies. Primeval hieroglyphs hint at an ancient civilisation, and an ancient danger. Spectres of the dead haunt the tunnels. Within hours, one of the party will die. To bring his team out alive, Alex will need every one of his mysterious abilities beneath the dark ice.