Has Jo met her match when she's hauled in by an elite, Hawk Squad Cop? Will the city of Osaka crumble under the iron first of RAPT? Can Sei reveal the mystery involving the siege and the mutant creature? Or will Jo go down as just another warrior slain on the battlefield of domination?

The city of Osaka is under siege due to Iriki's tyrannical actions, and Takane finds herself, as well as the people she needs to defend, backed against the wall. With Meg being held hostage, Sei finds herself on a short leash in dealing with Iriki, as any brash moves could spell a fatal end for her colleague.