A shocking act of violence... The looming threat of another attack spurs the Moon's chief security officer, Noelle DeRicci, to uncover the identity of the masterminds behind the Anniversary Day bombings before they strike again. Armed with information uncovered by Retrieval Artist Miles Flint and Detective Bartholomew Nyquist, DeRicci lets herself hope she can put an end to the violence against the Moon. But then a brutal murder changes everything. DeRicci must risk everything to launch a secret investigation into the very heart of the Earth Alliance. Can the next attack be stopped?