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.
—Emmanuel Valerio