When a unique bioluminescent coral is discovered by the Titan Project, a research station off Australia's coast, it seems to promise a bright future. But the mystery deepens with the loss of a military submarine and the precipitous onset of a geological nightmare: quakes, eruptions, and tsunamis threaten global havoc. Sigma Force, led by Commander Gray Pierce, must connect an ancient secret to Aboriginal myths to prevent an apocalypse. As ancient foes resurface and nature itself turns lethal, the race to avert disaster takes Sigma on a harrowing journey, where the fate of humanity hangs in balance.