Enemies to... bodyguard duty?

Sergeant Nix Marr is a damn good soldier, but she's desperate to leave her haunted past in the bioluminescent ocean, buried alongside old friends... and old flames. Unfortunately, even the icy ocean can't extinguish some fires. When Kessandra, everyone's favorite princess--and Nix's loathed ex--requests Nix's help investigating a massacre in the abyssal city of Fall, Nix refuses. Vehemently.

But Kessandra always gets what she wants.

Consigned as Kessandra's bodygu...