As children slumber across the world, they remain oblivious to the lurking danger lurking in the shadows. However, tonight an unusual darkness creeps through the air, causing one child after another to vanish. This appears to be a supernatural menace that feeds on their sleep. To aid in consuming the planet, the malicious Queen Badiyanu and her dependable fairies make use of the "Black Dream Hole." It is now Sailor Moon and the Sailor Soldiers' responsibility to stop the encroaching darkness.