 Kazutoyo s faithful retainer Sofue Shinemon asks permission to retire. Shinemon is asked to stay on as Kazutoyo s advisor. The mysterious Rokuheita, disguised as a ronin gunner, enlists as a retainer of the Yamauchi clan, bringing with him his young wife. Kazutoyo and his senior retainers are shocked to recognize Rokuheita s wife as Korin, the woman Kazutoyo had an affair with, who they now know is an enemy spy.