"An encounter with her father's goddess has not turned out to be the end for Sarah Elytharias Penn. Now, with the Imperial fist tightened around her city of Cahokia and the beastkind of the Heron King ravaging across the river, she must find a way to access the power of the Serpent Throne itself--a feat, she has learned, that her father never accomplished. To complicate her efforts, Cahokia's Metropolitan, a beloved and charismatic priest who despises the goddess as a demon, returns from a long pilgrimage and attempts to finalize the Wisdom-eradicating reform that dogged Sarah's father when he was king. Meanwhile, Sarah's brother Nathaniel and her brilliant but erratic servant Jacob Hop find their steps dogged by the Emperor's Machiavel, Temple Franklin, as they hunt in New Amsterdam for the third Elytharias sibling. Isaiah Wilkes, having failed to awaken the Emperor by reminding him of his esoteric obligations, now travels north in disguise to seek other allies to stand against the destroying storm of the reign of Simon Sword. Chigozie Ukwu, the Shepherd of the Still Waters, finds his peaceful flock threatened and pressed into a dangerous mission in the service of Cahokia's wild sister city Zomas, while his brother, the Vodun houngan Etienne Ukwu, pushes toward a final showdown with the mameluke assassins of the Chevalier of New Orleans"--