Aria, the youngest daughter of the Rose clan, is treated as a traitor by her family and is viewed with suspicion by the rebels she has taken refuge with.

She must learn to navigate her new life while attempting to put an end to the ongoing barbarism and save New York City.

The story follows Aria Rose, who is caught in the escalating, violent war between the wealthy human inhabitants of the Atalayas and the rebel mystics in the Depths.