On a bleak, icy planet at the edge of the solar system, four friends are held captive. As they struggle to escape and find a way home, they must somehow overcome a deadly, spine-chilling biological entity that they helped create. It is two hundred years into the future and humanity is retreating from a dying Earth to colonize the solar system. Jamie Borgia is a geobiologist aboard the Mariner III, a research vessel designed by her husband, Dan Hamilton, which is on an exploratory mission to Mercury’s North Pole. While searching for minerals and precious metals, her team finds something unexpected and extraordinary. But with growing horror they soon realize that what they have found is so potentially destructive that it eclipses all the dangers mankind has faced before. The discovery sets a ruthless organization in pursuit. As Jamie, Dan and their friends are chased from the moons of Saturn to the fierce pioneer settlements of the Kuiper Belt, they desperately try to uncover the truth behind what they found under the icy waters of Mercury and neutralize a scientific revelation that could reshape the human species. _ A dark, gripping science fiction action adventure._