Tsunehiro’s life isn’t easy. After a doctor gives him two years to live and debt collectors come knocking, he falls from a bridge. In the knick of time, Hana and her crew spot Tsunehiro and pull him to safety. Before returning, they anchor offshore to fish and Tsunehiro catches a huge sea bass in a bout of beginner’s luck. As his apartment building crumbles, Tsunehiro’s new life begins to unfold!
The story focuses on the exploits of rivals Reinhard von Lohengramm and Yang Wen-li, as they rise to power and fame in the Galactic Empire and the Free Planets Alliance, respectively.
The concluding film to the Gintama animated series, adapting the final chapters of the comic series of the same name by Hideaki Sorachi. The film covers chapters 699–704 of the original comics, with original material added in.