Knights of the Zodiac is a story from Masami Kurumada about warriors called 'Saints', whose task is to protect Athena, the Goddess of peace, and to fight against evil forces. There are also evil Saints in the story who are on the hostile side.
It is said that all 200 years the Evil will come back to earth and will try to rule the whole world with a helping hand from their forces. In the same time, the Goddess Athena will be reincarnated, to prevent the Evil from accesion to power on earth, and to save the world. The story has five main chacters: Seiya the Pegasus Saint, Shiryu the Dragon Saint, Shun the Andromeda Saint, Hyoga the Cygnus Saint and Ikki the Phoenix Saint. The task of those Saints is to protect Athena and to fight against the evil forces and defeat them.