Crazy little Doea may have the quickest temper out of all the Ittö-ryü warriors, but this tigress turns into a kitten when she thinks she's lost her beloved Isaku forever. Downstream from their quick, puzzling battle with Edo policemen, Doea and Rin rest for a moment and ponder their next move. Rin finds her relationship with Doea taking an odd turn, and a long journey is about to begin for both of them. Samura finally gives some hints regarding Doea's past before returning us to Manji's cell and the sick experiments being performed by Kagimura's new doctor!