The assassin group Orchestra is out to earn a little cash and Koko just so happens to be visiting the same town as them. Now Koko must run for her life or die by the hands of a quirky team who claim their gunfights are musical.

Baldrag has kidnapped the chief doctor of the group of physicians Koko was supposed to transport. Before she can flee to safety, Koko must first rescue the doctor and fulfill her contractual obligations.

Koko and her unit are in Iraq, which is nostalgic territory for Wilee. After sharing stories about his handiwork with explosives, he gets to put on a demonstration of what he can do when the team confronts the group Excalibur.