The planet "Ooedo", onto which many tourists used to visit from other planets, is isolated from other planets after the galaxy war. And there is now a government ruled by samurai, ninja, American ninja and geisha girls. One day, people from another planet find them, and their isolated life is finished. But the boss squanders the money, and is up to his neck in debt. He needs to pay off his debt in three years. Otherwise, their planet will be sold as collateral. Will they be able to pay back the money, and get back their planet?