An unknown artist hires Fuu for a private modeling session, but his passion for painting turns out to be a front for a human trafficking ring. Will Mugen crack the case in time to save Fuu from a life of slavery?

Jin, Mugen, and Fuu fall into the clutches of a hoard of rotting zombie treasure hunters. Next, they get blown to oblivion by an asteroid. Or maybe they just ate some bad mushrooms.