The battle for human evolution begins now. Centuries ago, humans colonised Jørn, a lonely planet on the far side of the galaxy, only to discover that the planet was killing them. The culprit, a native spore, carried on every wind to every corner of the globe. Genetic engineering, blending Earth and Jørn DNA, saved their crops and livestock, but for humans there was no cure. Instead they took to the skies, turning their colony ships into cities that floated out of the spore's reach. Hero Regan is special, and not in a way she likes. She hears voices, voices in her head that other people can't. Surrounded by butlers, bodyguards and tutors, insulated from the outside world, her only solace is Fink, a six-hundred-kilogram, genetically engineered ruc-pard. They share