A film adaptation of the Last Nanto General story arc from the manga, depicting the final battle between Kenshiro and Raoh that led to Kenshiro becoming the successor of Hokuto Shinken. Some events from the manga / anime have been excluded from the story (such as Raoh's fight with Juza) whereas others have been altered or expanded. New content featuring the final battle from Raoh's perspective have been added. This film serves as the follow-up to the first film in the series, which introduced Raoh and Reina's relationship, this time bringing it to a conclusion.

Yapool has returned after being injured in Ultraman Ginga S. He masterminds several attacks on Shou's homeworld, the Victorian kingdom in an attempt to get to the Victorium Core. Ultraman Hikari appears and grants Shou the ability to transform into Knight Mode with the Knight Timbre. Now free from their Spark Doll forms, some of the Showa Ultras join Victory in his fight.

A spectacular journey of an unwilling young hero thrust into a mysterious past full of monsters, dragons, and strange hidden powers. Through a series of out of this world battles and adventures, Jun, a shy middle school boy, is transformed into a hero destined to battle evil and ensure harmony and tranquility in the world.