A genuine full-length novel set in the Halo world and based on the New York Moments bestselling gaming series!

December 2553. Less than a yr following the end of the Covenant War, a string of violent occurrences continues to threaten the tenuous tranquility in human-held space, culminating in the assassination of UNSC fleet admiral Graselyn Tuwa and the abduction of her family. It is a provocation so outrageous that any office of Naval Intelligence must retaliate swiftly and ferociously-but just about HALO: Retribution following its operatives recognize her killer and save the hostages.

This mission would be the first for homicide-detective-turned-ONI-operative Veta Lopis and her young team of Spartan-IIIs, and some­thing feels wrong right away. The obvious believe is an infamous Brute dokab who leads the Keepers of the One Independence, a Covenant splinter group in fierce opposition to the UNSC. But Lopis and her group soon recognize that the simple truth is much more insidious than they could ever have thought, and along with Fred-104, Kelly-087, and Linda-058 of Blue Team for combat support, must prevent an idea hatched in the bowels of the secret research station Argent Moon-a plan so sinister it could destroy all those still reeling from thirty years of inter­galactic discord….