In a society where bionic enhancements are the epitome of wealth and power, scientific researcher Dr Rosio Arata threatens to topple the status quo with her pioneering organic enhancements. Yet when a horrific accident kills her daughter, Ro's quest for answers leads her to becoming trapped in a twisted version of her life's work.

In a bleak underground colony, sixteen year-old Ever is primed to rise through the ranks, gain selection and become a Saviour. It's her dream to journey to the Surface and fight the army of Forms overwhelming the globe, catching up with the boy she loves in the process. Yet nothing in this world is what it seems and soon the secrets buried in her bunker begin to unravel, threatening the future of everything.