In the dark, they move, swallowing the innocent without a trace. Forever shrouded in shadow, their very existence doubted.

Lieutenant Katya Cassius and her team find themselves embroiled in an investigation of Reznic's accelerating trafficking operations. Rumors say Serva, the elusive arm of Deep Reznic, is ramping up its operations. Others, however, say Serva doesn't even exist.

When a Magistrate senator's granddaughter is abducted, the who doesn't matter as the Magistrate ramps up operations on-world. With her ongoing investigation, Katya finds herself pulled into this surge, diving further into Reznic's underbelly, a space even the Magistrate hasn't tamed. The clock is ticking not only for the senator's granddaughter but for the other children who have fallen into Serva's grasp.

While chasing phantoms, Katya uncovers a young girl who's been sneaking into her military base. The promise she makes this child will forever shape their lives.