Synopsis

Set in the Edo period of a parallel world in which aliens from outer space called Amanto dominate the Earth, the film comically portrays various incidents which occur around Sakata Gintoki, an eccentric samurai who performs odd jobs, and his companions.

Gintoki is a handyman in an Edo town. He receives information a former comrade, Takasugi, is planning to overthrow the shogunate.