The Karensa Federation has conquered a dozen countries, leaving Mara as one of the last free nations in the world. Refugees flee to its borders to escape a fate worse than death, transformation into mutant war beasts known as Ghosts, creatures the Federation then sends to attack Mara. The legendary Strikers, Mara's elite fighting force, are trained to stop these monsters. But as the number of Ghosts grows and Karensa closes in, defeat seems inevitable....

On a lunar colony, fifteen-year-old Phaet Theta does the unthinkable and joins the Militia when her mother is imprisoned by the Moon's oppressive government. --Provided by publisher.

Charlotte leads her friends to New Orleans, where the resistance against the Empire is based. There, she must figure out where her true loyalties lie. --Publisher

Seven years after the Fearless army invades England and injects everyone with a serum that strips them of humanity, Cass and her brother, Jori, are living on Hope Island in a community of survivors, but when Jori is taken by the Fearless, she will risk everything to get him back.