Sun God Apollo the brother of Athena is here to take Athena back to heaven and taking over the sanctuary. He revived the deceased gold saints and use them and a few god saints as bodyguards. But Athena did not obey him, Apollo had no choice but send her to hell. On the otherhand, the bronze saints are on their way to save Athena.

From the dawn of time, there have been warriors who protected the Goddess Athena. Once forces of evil appear, these warriors, called the Saints will present themselves. A young woman, Saori Kido, learns about this force known as "Cosmos" and that she is the reincarnation of Athena, protector of love and peace on Earth. However, the Pope of the Sanctuary, who is in the charge of all the Saints, does not take kindly to Saori, and targets her for usurping the identity of Athena. An assassin is sent out to kill her. Fortunately, one of the Bronze Saints, Seiya, manages to protect her. But will Seiya be able to protect Saori through to the end in the gripping saga of Saint Seiya: Legend of Sanctuary?

Dr. Slump creates a little android girl, Arale, who is very stong, happy, and totally common senseless. They live in Penguin Village where the strangest things happen (e.g., the dawn is announced by a little pig wearing a basquee).

The film is set in the distant future in a city called Cahmpon. A scientist creates a synthetic life-form called Noiseman, which erases music from the airwaves by turning it into crystals. A group of Biker street kids rebels against this tyranny.