Saint Seiya: The Movie

Saint Seiya , Seinto Seiya? , retitled Saint Seiya Evil Goddess Eris , Seinto Seiya Jashin Erisu? on its home video release, is the first in a series of anime films produced by Toei Animation based on the manga Saint Seiya by Masami Kurumada. The movie premiered on July 18, 1987 at the Toei Manga Matsuri film festival, where it was shown as part of a quadruple feature along with Dragon Ball Sleeping Princess in Devils Castle and the movie versions of Hikari Sentai Maskman and Choujinki Metalder.

It starts off with Seiya, Hyga, and Shun visiting the Star Children Academy, where Hyoga saves one of the children from being run over by a car.A new character called Eri is revealed to be Mihos workmate and a second caretaker at the orphanage. She starts having feelings for Hyga, and, one night, they are sitting outside watching the stars when they suddenly see a falling star. As Eri makes a wish, it is stolen by Eris, the Greek goddess of Discord, who uses it to revive herself. ........

Source: Wikipedia