In the late 21st century, man-made, self replicating organisms called mycora - smaller than bacteria - mutate and sweep across the globe in a chain reaction so swift and deadly there is no time to do anything but flee from an Earth destroyed by the science created to sustain it.

How can the remnants of humanity, clinging to the asteroid belt and the moons of Jupiter hope to overcome something which, if it obeys the laws of physics, will overwhelm the cosmos?