Fuu, left behind while Jin and Mugen look for food in town, is met by a fleeing girl named Yuri whom she helps protect.  Jin and Mugen discover men who are testing people to see if they are a part of the underground Christian movement.  Fuu is knocked out by the returning men as they take Yuri and Jin and Mugen find her unconscious.  She later follows people who are congregating for the underground movement and she learns that a supposed Italian is leading them to build weapons.