A faceless clan lives in a large mansion, masquerading as nobles. Their caretakers are living dolls who spend their days cleaning up the dirt the tenants leave behind. But there’s a deeper mystery at play… and the secret of the house will be unveiled.

The year is 1931. Prince Tokugawa Yoshinobu holds absolute control over Japan. Remnants of the Meiji era’s culture can be seen around the city, but scientific technology and Japanese esoteric cosmology Onmyodo are also developing. Yet lurking behind the glitz is Kuchinawa, a dissident group planning the assassination of the prince. Tasked to extinguish these dissidents is Nue, the government’s secret executioner group. Sawa Yukimura, who works for this organization, suffered at the hands of the Kuchinawa boss. Her entire family was murdered and she dedicated her life to avenging their death.

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.