As children slumber peacefully worldwide, a mysterious peril looms unseen. Tonight, an ominous darkness drifts through the air, snatching the children away one by one. This malevolent force thrives on their dreams, with the malevolent queen Badiyanu and her faithful fairies aiding in unleashing the dreaded 'Black Dream Hole' to engulf the planet. Now, Sailor Moon and her fellow Sailor Soldiers must unite to thwart the encroaching Darkness and safeguard the world from its sinister grasp.