Although she has no memories before the quake that destroyed the kingdom of Augury, Cypher McCall holds a steadfast hatred of the repressive Cauldian regime now ruling the country. Because her magical gifts are deemed subversive, she does her best to avoid detection. She stumbles on a silver key that she hopes will unlock her past, but first she must confront a long repressed horror at the Castle Augur ruins. Will the knowledge of Cypher's true identity tear her apart or will it empower her to restore everything she ever loved?