Queen Beryl, once defeated by the Princess Warriors, seek revenge and interrupts the marriage between Sailor Moon and Prince Darien. They are overpowered, and the Princess Warriors move to Earth to protect the Jewels of Power from falling into Queen Beryl's hands. On Earth, the Princess Warriors are preparing for a school dance when they hear that Queen beryl is attacking Jupiter. The monster on Jupiter is overpoweringly strong, but Sailor Moon manages to defeat it after a mysterious masked man appears.