The king (Acrisius) Found out that his daughter (Denae) would have a son that would kill him, so he locks her away. Danae has a child with zeus and tries to hide it from her father.
King acrisius finds that she is pregnant and in a rage sends her too sea to do die, in fear of zeus he does not kill them himself. A nice couple finds them and saves them from the prison, and takes care of her and her child.
The king of the island wants to marry Denae but doesn't want a son so he sends Perseus on a mission to kill medusa in hopes of Perseus dying. On his journey he meets Athena and Apollo that give him magical gear to kill Medusa
The Ultimate Resolution
Perseus entered Medusa's cave and utilized the gear he obtained from Athena and Apollo to slay medusa. On his way back he finds a women (Andromeda) and takes her back to the island.
Perseus Kills the king with medusa's head turning them into stone
Perseus and Andromeda get married and live happily ever after. THE END