Sera has finally recognized the true power of her Cerulean blood. But to return home, she’ll need help from Agnes, Leo, and their powerful grandmother in Pelago—the only person with knowledge of the mysterious island of Braxos, where the Cerulean tether is anchored. Meanwhile, the High Priestess’s power has reached new heights in the City Above the Sky. And when Leela begins having visions of Sera, alive, she knows she’s the key to saving the City. But Leela will have to channel the strength, courage, and curiosity that got her friend exiled. With help from their allies and Cerulean magic, Leela and Sera could soon return to their normal lives. But will Leela be able to serve her City as blindly as she once did? And will Sera be able to leave behind all that she’s grown to love?