Years ago, Zong Shuai from the Middle State, Wanyan Zang from the Northern Land, and Wen Taiji from the Southern Territory suffered great loss during their fight for the hegemony of the world. As a result, a 20-year truce was established. Now, with the deal coming to an end, conflicts are brewing in the ostensible peace. In hatred and suspicion, the three families set up their respective Blood Orders, listing the names of the most important people of the hostile families and swearing to hunt them down. A breathtaking war is about to commence.

Tenchi Masaki gets the surprise of his life when a teenage girl approaches him and calls him "Daddy." Believing that the girl is mistaking him for someone else, Tenchi brings her home to figure out what is going on, which turns out to be a big mistake. When the girl introduces herself as Mayuka Masaki, Tenchi's daughter, the Masaki household is thrown into yet another frenzy. Thinking that Mayuka is just taking advantage of Tenchi, the girls refuse to believe that she is really his child. However, when DNA testing reveals that Tenchi is indeed her father, Washuu comes to the conclusion that Mayuka is his daughter from the future, the result of a recent time distortion. With this new revelation, everyone tries to welcome Mayuka into their lives with the sole exception being Ryouko Hakubi, who senses something sinister lurking beneath Mayuka's charm.

Bonus episodes 3.5, 6.5, and 9.5 included with the Blu-ray/DVD releases.

Takeshi Kido and Kentaro Shiratori are a pair of friends who have been together for almost their entire life. One night, a strange being comes out from the lake and starts attacking them. When Takeshi and Kentaro are almost eliminated, a strange being named Kopu calls them and tells them that they are the chosen ones to inherit the power to protect the world from an evil being named Goumon. Now, they join their hands to transform into Barom One, a being with superior skills, who will fight to protect the city.