Perseus, her mother Danae and Andromeda, went back to to Argos because Danae wants to be reconciled with her Father. But when they got there, games were being held in Larissa and when Perseus heard it, he went there and take part. And when its time for Perseus to throw the discus, it swerved to one side and hit an old man. That old man is King Acricius who had gone to such cruel lengths to evade his fate which the gods has ordained.