Thorn lives in a world where King Sisiliss' dark shadow engulfs all of the kingdom of Morre. Children are taken from their parents at the age of three to become the king's personal assassins. Dark magic creeps around ally ways and Snatchers are looming at every doorstep. Thorn's mother has hidden her for seven years. However, her hiding place is compromised and Thorn must make her way to Iustitia the land of the Just. There she must train to get revenge on the unjust King Sisiliss. However, Thorn may learn that revenge may not be the right way to handle her grief and who seems good may be just as wrong as those who are evil.