As an ex-smuggler and two-time reluctant revolutionary, Alyssa is used to staring into the razor-sharp jaws of death. But now she's embarking on the most terrifying adventure of her life—journeying into the darkness to become a new type of being, one who can help humanity to survive. And deep at the heart of the city in the middle of the night, the price of transformation could be higher, and more terrible, than Alyssa ever expected.