Ailesse is a Bone Crier, a member of a matriarchal order tasked with ferrying the dead to the afterlife using magic drawn from animal bones. To complete her initiation, she must sacrifice her soulmate, Bastien, who is actually hunting her to avenge his father's death. As their lives intertwine, they must navigate a complex bond that threatens the ancient traditions of the Bone Criers and the balance of the spirit world.