A treasure appears in front of antique dealer Norio Koike (Kiichi Nakai) and potter Sasuke (Kuranosuke Sasaki). The treasure is Hideyoshi Toyotomi’s chawan (procelain tea bowl) called Houou, that has been missing.

During the raging war between the Toyotomi and Tokugawa clans, the swordsman Mohei (whose family has been completely decimated) is recruited by Toyotomi to overcome the seat of power, Osaka Castle. Mohei's daredevil skills will be put to severe tests.

A television drama aired on November 3, 1983 as a special project to celebrate the 25th anniversary of the founding of Yomiuri Television and the 30th anniversary of the founding of Nippon Television.