AHirokin: The Last Samurai is a science fiction action drama story that take places on the desert planet Aradius, inhabited by a race of humanoids The Arids, whom were once enslaved by humans, but now live under the cruel rule of the human tyrant Griffin and the film centers around Hirokin, a reluctant human warrior, whom agrees to aid a band of rebels led by Moss, to fight back against Griffin. After Griffin murdered Hirokin's Arid wife and their half human Arid son, as Hirokin fights to avenge them and also fight for the freedom of the people.