~ Adapted from the novel "Hakkenden" (八犬伝) by Yamada Futaro (山田風太郎)

The director's cut version of the final three episodes of the Ohsama Sentai King-Ohger TV series, recut into one movie with 10 minutes of unreleased scenes added in.

Daigo Kiryu and Utsusemimaru set out on a journey in pursuit of Uchu King Dagded who invaded Earth. However, during the battle with Dagded, Utsusemimaru is sent to Earth in another time. They arrived on Earth, which has been invaded by the Deboth Army, unable to save the universe from Dagded. In order to stop the ruined future, they head back to the original timeline, but due to the changes in the timeline, Uchu King Gira reigns over Chikyuu!

The King-Ohgers and the Donbrothers are now in Hakabaka, the Land of the Dead. They all died due to various reasons. The confrontation begins with neither party knowing who the other is. Will there be an end to this battle? I mean, why did they start fighting in the first place?! Eventually, they arrive at a single abyssal truth!

During the grand coronation ceremony of Gira as king, the door to "Hakabaka, the Land of the Dead" is suddenly opened! What unprecedented ordeal awaits Gira and the other six kings in the Land of the Dead? Will the young kings be able to return to their original world? Will Gira, the "self-proclaimed king," become the true King of Shugoddam?!

There is an ancient prophecy shared amongst the kingdoms of Chikyu- 2,000 years after their fall, the Territorial Empire Bugnarok will once again rise up to kill all humans. However, five kings and their guardian deity, King-Ohger, will stand up to face them. This is the story of kings who will defend Chikyu, as well as a coming-of-age story for one young man who will achieve kingship henceforth.

Kohiruimaki Yuichi is a police officer who established the "Science Crime Countermeasures Office", a department that specializes in issues related to cutting-edge science and technology. He welcomes the genius scientist Mogami Yukiko as an advisor and she is in charge of investigating cases related to cutting-edge science. The crimes entrusted to the Science Crime Countermeasures Office are crimes that the legal system and police organization cannot keep up with. The two will unravel the science itself hidden behind the cases and not just the so-called forensic investigation. Hasebe Tsutomu is a detective who is not familiar with science but has a long experience in the field in the former Investigation Division.

Shibasaki Kaori is a doctor. Her patient that she was having an affair with dies. Kaori is suspicious of the patient's son Kido Takashi about the death. Noguchi Tomomi is a single mother. She is excited in experiencing love for the first time in 7 years. Harada Saeko is in conflict with her husband Harada Satoshi about having a child. Mizushima Juri insists on having freewheeling romance. She feels excitement with meeting a woman. These four women's lives connect and an unexpected story begins.

Takeshi Hongo is a promising young man with a passion for motorcycle racing. However, his dreams are suddenly ruined when he gets kidnapped by Shocker, the evil secret organization planning to dominate the world. After being remodeled into a cyborg, Takeshi escapes and swears to protect the world from the inhuman monsters.