While Bianca battles rogue demigods and new magic, the god of fire whispers promises of eternal power, easy magic, and the salvation of Alkarra. Treachery thrives at every hand in the land of the gods, leaving her unsure who to trust. Meanwhile, one questions plagues her daily: should she give loyalty to the god of fire that resides with in her?

Bianca Monroe wants one thing: to create a Sisterhood of Protectors. She might be the only one that thinks it's a good idea. With demigods in Alkarra, and a frustrated Council attempting to usurp her father, Bianca is faced with opposition on every side. When her desire to defend the Central Network with a Sisterhood is rebuffed by everyone whose support she thought she’d have, she’s forced to find a new path.

At the third annual Celebration of all Networks, Bianca is thrust into an unexpected challenge: a mortal girl named Ava lands in her lap with a most unwelcome surprise. As the Celebration continues, it's clear that the only witch who cares whether Ava lives or dies is Bianca. And Bianca's magic has stopped working. Can Bianca save Ava from the high-ranking witches that want her blood, even if it means the end of the blossoming peace? Or does Bianca protect her Network the only way she knows how?

During an attempt to save a burning orphanage, Bianca finds herself caught in a trap. Mabel kidnaps her, taking her to the hot sands of the Western Network where things are not as they seem. Mabel is more dangerous—and unhinged—than she’s ever been before.

Despite swirling rumors of war, seventeen-year-old Bianca Monroe is living without restraint for the first time. With no curse to hinder her and her enemy, Miss Mabel, imprisoned in an impervious dungeon, she’s finally free. Except . . . nothing lasts forever. The Southern Network attacks, launching Bianca, her beloved father, and everyone she cares for into a war controlled by the clandestine witch Angelina.