The story begins when king Acrisius puts Danae and Perseus in a chest and put them in sea and they wash up at this island Seriphus. Because he thought that they would kill him.
He is going on a journey to get Medusa head for Polydeetes. Polydeetes wants Perseus to get the head for Polydeetes because he wanted kill him.
He traveled to Graeae To steals a eye for the location of the Gorgons. To find Medusa to get the head.
It was hard to get medusa head. He had to use the mirrored sheld so he would not look at her.
Perseus found medusa a sleep he use the mirrored sheld and went over and cut off her head
I am heading home now I have her head. Perseus have saved some people with her head. then he turn them into stone. Then Perseus married the king's daughter. Perseus has fulfill a prophecy by killing his grandfather.