Based on a manga series, this science fiction-adventure is set in a near future in which Japan is governed by a monarchy who use a highly trained band of samurai-style assassins known as the House of Takemikazuchi to suppress a fierce band of rebels. Yuki (Yumiko Shaku), a lethal young female member of the group, discovers that her mother was betrayed and murdered by the their leader, and swears vengeance. After being wounded in battle, she takes refuge in a remote gas station run by Takashi (Hideaki Ito), a young man who is actually a member of the underground rebel army. Despite their mutual mistrust, he nurses her back to health and they form a bond as she seeks to continue her mission of vengeance and he tries to convince her otherwise.