Four kilometers beneath the plains of southern Africa a search party discover a lost world of vicious, gigantic Carboniferous Era insects, surviving virtually unchanged for 350 million years in a vast magma chamber. The search quickly descends into a terrifying fight for survival against creatures thought only to exist in prehistory and nightmares. In a race against time the team will struggle to save not only themselves but to stop the monstrous bugs from ever reaching the surface.
