As a member of the Vigil, Faye Smallwood's mind is linked to the powerful datasphere that regulates the planet. Suddenly, she's the target of a conspiracy that threatens to unleash a new and deadly plague. Somewhere in long-abandoned ruins is an alien technology of unimaginable potential. Faye turns to Festina Ramos to help unravel the mystery--the ever-vigilant champion of those whom society deems expendable.