Chuushingura from the perspective of Horibe Yasubee.

Fourth installment in Deka Matsuri omnibus series. 8 films.

Matsunaga Yasuzaemon was a man called “Electricity Monster”. The post-war recovery and high economic growth serve as the basis for him to achieve the breakup and privatisation of the electricity business. As a follower of Fukuzawa Yukichi, he inherited the spirit of independence, self-respect and the people. He rose up alone from the ruins of the war. It was the fight of an unconventional, stubborn old man over 70 with an indomitable will. Minister of Trade and Industry Ikeda Hayato admired Matsunaga like a father while Prime Ministers Yoshida Shigeru and Konoe Fumimaro, Shirasu Jiro (Takagawa Yuya) and others were in awe of his unfathomable passion.

Shinichi Tominaga is a prosecutor, newly appointed to the special investigation division for the Tokyo district prosecutors' office. He is currently busy with a case involving suspicious donations to powerful politician Yohei Tachibana. Shinichi then receives a mysterious message from his friend Samon Kondo. His friend is in charge of space development at The The Ministry of Education, Culture, Sports, Science and Technology. The message talks about a scandal related to space development. Samon soon goes missing after sending the message. Shinichi begins to see a connection between the two cases.

Doi of the Maeda Construction Company's Advertising group has little passion for his work. One day the group's leader Asagawa declares, "Let's build the hangar for Mazinger Z!" Having been dragged in by Asagawa, Doi and his co-workers commence putting on appearances of having taken on this request from a fantasy world.

Inomatsu, a carpenter with a reputation as a skilled craftsman, has a wife named Oritsu. Oritsu is deeply in love with Inomatsu and believes that the purpose of her life is to devote herself to her husband day and night. However, Oritsu is Inomatsu's fourth wife. In fact, he is a robber and thief. As a carpenter, Inomatsu usually sneaked into merchants' houses and carried out robberies. For him, wives are just a tool to deceive the public...

Ichijo Zentaro, an inspector who is a trend junkie and loves to use out-of-fashion vocabulary used by high school girls, works together with Yuki Maria, a sharp-tongued inspector who has built up a stellar career at the MPD's first division, to solve a serial murder case.

After taking out the chairman of the Tajima-kai—a subgroup of Kansai's largest syndicate, the Yamagami-gumi—to settle a turf dispute, Ryu Yamanaka (Koji Matoba) returns to the Miura family after a long prison sentence. But everything has changed. The weakened Miura clan, with their leader Miura (Eiichiro Funakoshi) bedridden from illness, has had their territory encroached upon by the now-allied Tajima-kai. As rumors of succession stir with Ryu's return, Tajima and Yamagami's underhanded schemes begin to surface. Holding to the old ways, Ryu quietly waits, believing "everything will be decided by the boss." But when the hidden forces behind the past conflict are exposed, the one-eyed yakuza rises once more!