A rebel goes undercover in a desperate attempt to free her country from a brutal dictator in the final novel of this dystopian thriller trilogy.

In America, the Registry weds girls to the highest bidder and raises boys for its army. Mia Morrissey fled to Mexico to claim her freedom. Now, she's going risk everything so that the rest of America can be free.

Going undercover as part of a diplomatic mission, Mia returns to an America even more dangerous than the one she left. The forgotten country faces its most ruthless leader yet, Grant Marsden—a shadow from Mia's past. With the help of the subversive group Affinity, she embarks on a perilous journey to defeat Grant, bring down the government, and destroy the Registry once and for all.

But when a terrible betrayal exposes the operation, Mia discovers that her enemies have used her—and so have her friends. Alone and frightened, Mia knows that her next step may be the last for her . . . and America.