In Garner County, girls are told they have the power to lure grown men from their beds, to drive women mad with jealousy. That’s why they’re banished for their 16th year, to release their magic into the wild so they can return purified and ready for marriage. But not all of them will make it home alive. Sixteen-year-old Tierney James dreams of a better life - a society that doesn’t pit friend against friend or woman against woman, but as her own grace year draws near, she quickly realizes that it’s not just the brutal elements they must fear.

Twenty-year-old Violet Sorrengail was supposed to enter the Scribe Quadrant, living a quiet life among books and history. Now, the commanding general—also known as her tough-as-talons mother—has ordered Violet to join the hundreds of candidates striving to become the elite of Navarre: dragon riders. But when you’re smaller than everyone else and your body is brittle, death is only a heartbeat away...because dragons don’t bond to “fragile” humans. They incinerate them.

On her 17th birthday, Ashen Spencer is blindfolded and escorted to the massive, mysterious building known as the Arc to begin her year of training and testing in hopes that she can earn the Cure - a powerful drug given only to those deemed worthy to survive beyond their 18th birthday. Ashen has a chance to rise up from her former life of squalor and be granted a place in society, if the Panel - the mysterious group of powerful men and women in charge of the Arc - deems her year a success.

Opal is a lot of things—orphan, high school dropout, full-time cynic and part-time cashier—but above all, she's a determined to find a better life for her younger brother Jasper. One that gets them out of Eden, Kentucky, a town remarkable for only two things: bad luck and E. Starling, the reclusive nineteenth century author of The Underland, who disappeared over a hundred years ago. All she left behind were dark rumors—and her home. Everyone agrees that it’s best to ignore the uncanny mansion and its misanthropic heir, Arthur. Almost everyone, anyway.

Tally lives in a world where your 16th birthday brings aesthetic perfection: an operation that erases all your flaws, transforming you from an "Ugly" into a "Pretty". She is on the eve of this important event and cannot wait for her life to change. As well as guaranteeing supermodel looks, life as a Pretty seems to revolve around having a good time. But then she meets Shay, who is also 15 - but with a very different outlook on life.