Keith rejoins the RIS just in time to work a brutal double murder involving "Killer B." Then an unknown group steals a military vehicle for a rampage.

The RIS investigates a death that appears to be linked to Killer B, though Keith disagrees. Another body leads them to stake out a high-powered party.

The RIS races to the scene, while Keith confronts Gilbert at the old Jaula Blanca facility. Koku fights Laica for his and Yuna's survival.