One year after the defeat of Abzu, peace has returned to the world. However, a new threat rises with the advent of Pallas, an old enemy of Athena. Despite knowing that, Seiya can't find the resolve to kill the young Pallas as she is still an innocent child although she is destined to eventually come after Saori's life. Meanwhile, Koga meets Subaru, a Steel Saint who is eager to challenge him, although the Pegasus Saint claims that with the world in peace and his cloth destroyed, there is no reason for him to fight anymore. However, Tarvos, one of Pallas' minions attacks them and Koga realizes that he must don his new Pegasus Cloth to protect the world. (thetvdb.com)