Six doctors who studied Dutch medicine in Nagasaki are killed. Only one is still alive. Sabu visits the palace physician, Yokoi Koan who explains that the remaining doctor Kitaoka Gennojo, is a drunkard and swordsman. Ichi visits Kitaoka who appears to be a caring doctor and says that he can restore Ichi's sight, even if he cannot pay. Ichi is apprehensive but the surgery takes place in the rooms of Yokoi Koan at the palace, including using the Shogun's ice. The delicate operation takes place and Ichi must recover in total darkness, meanwhile Sabu guards Kitaoka...