After summoning Zed and other Blackbloods to save the Outpost, Talon is caught between loyalty to her friends and her Blackblood heritage. A Priestess named Yavalla promises a Blackblood paradise and teaches Talon about her lost family. But when a mind-numbing epidemic consumes the Realm, Talon must solve the mystery of her past and unleash a forgotten power before the world is forever enslaved.