Fugitives from justice themselves, Aiden and Meg Falconer search for evidence that will free their parents from a life sentence in prison.

It is testing day, and twelve-year-old Al has scored a zero--but as he flees the cullers he begins to realize that being a zero actually means that he is a threat to the vicious dragons who rule his people.

Bo Dickinson is a seventeen-year-old girl from a bad family, but she is also over-protected, legally blind, Agnes Atwood's best friend--so when Bo calls in the middle of the night, desperate to get out of town, Agnes helps her to steal the Atwoods' car and the two girls go on the run, even though Agnes is not sure exactly what they are running from.

Three teens band together in order to sway the government to repeal all rulings in support of a procedure in which unwanted teenagers are captured and are unwound into parts that can be reused for transplantation.