After fleeing Earth decades earlier, a contingent of humans returns to find a small band of beings, now not quite human, still fighting an enemy which has long since been annihilated. The title refers to the planet's surface, which has become a swirling mass of blue goo, a result of the biological agents acting and reacting one with another.
A group of humans who left Earth long ago return to encounter a small band of non-human beings still fighting an adversary that was eliminated years back. The title alludes to the planet's surface, which has transformed into a turbulent mass of blue goo due to biological agents interacting.