Sera has finally recognized the true power of her Cerulean blood. But in order to return home, she'll need help from Agnes, Leo, and their grandmother, the only person with knowledge about the mysterious island of Braxos, where the Cerulean tether is anchored. Though the journey will be treacherous, Sera will risk anything to see her City again. Meanwhile, the High Priestess's power has reached new heights in the City Above the Sky. And when Leela...