Based on the novel by Naoki Prize-nominated author Taro Takeshita, a thriller full of black humor. A jealous husband murders his adulterous wife, then embarks on a crusade to extort all the wealthy men whom she had affairs with.

Himuro (Yasukaze Motomiya) and Tamura (Yoshiyuki Yamaguchi), local delinquents from Yokohama, used their fists to dismantle a local yakuza gang. This drew deadly attention, forcing them to flee to Osaka with the help of Akimoto (Sho Aikawa), the Wakagashira of the Anzai-gumi. Despite escaping, Himuro and Tamura continue to make enemies. One day, they gain recognition from Kawatani (Hitoshi Ozawa) of the powerful Kyowakai, but simultaneously clash with the Kyowakai-affiliated Mikami-gumi, sparking a violent conflict. With Kawatani’s backing, Himuro and Tamura joining the Mikami-gumi seems to settle the dispute. Yet, meanwhile, Kyowakai chairman Gonda (Shinichi Chiba), Wakagashira Kudo (Hakuryu), and Shiseikai chairman Kawabata (Tatsuo Umemiya) begin moves to unify Japan’s entire yakuza world…

日活アクション映画最後のプログラムの1本である。ヤクザ組織の庇護の下で、夏純子扮する魔子の率いるズベ公グループの無軌道ぶりを描く。蔵原惟繕監督の弟・蔵原惟二の監督デビュー作で、宍戸錠がスケ番グループを束ねるヤクザの組長を貫禄十分に演じた。

"Here with a "zubat"! Solving problems with a "zubat"! I call myself the wandering hero! Kaiketsu Zubat!"