The Bone Witch trilogy follows Tea Pahlavi, a young woman who discovers she is a "bone witch" with the rare power to raise the dead after accidentally resurrecting her brother. She travels to train under an experienced mentor to master her necromantic abilities and manage the magical "heartsglass" that governs her emotions and power. As she navigates political intrigue and social ostracization, Tea must ultimately confront ancient monsters and a brewing war that threatens her world.