Middle-eastern Prince Hasan visits Neo Tokyo and needs protection. A group called Thunderstorm is planning to kill the prince and cause chaos in his country. Rio's excited about the job because she hopes that she can marry him for his money and pay off her debts. Secretly, she takes him to a favorite spot of hers, Gasoline Town, where thieves and miscreants rule. While enjoying their time alone, they are captured and taken aboard a booby-trapped tanker. As the situation become more dire, Rio sees the opportunities for a big bonus escalating and she manages to get the prince to safety. As a reward he offers her a piece of desert which she declines, only to find out later that it was rich in oil reserves.