Danielle's motto: life is a privledge, not a right. In Earth's last remaining city, Chantist, everyone is ranked, given a number. Unfortunately, there is a strict capacity limit, only 10,000. In the aftermath of a mysterious event Dani is given a strange proposition to be a "high number" in a "higher square number," meaning she can now live the life of the privledged. But when an intriguing boy suddenly goes from #5 to off the charts, Dani recognizes the unique power she has to change her city forever.