King Acricius puts his daughter in a tower so she could have no child, and he could stay in power.
The king sees a bright light in the tower and checks it out
The kings daughter and her son are sent into the water, but were found by a boat, and brought to King Polydectes of the island of Sephiros.
The princess and her child found hospitality here, the king was was amazed at the princess’s beauty and claimed her as his daughter. Here Perseus grows big and strong able to outrunt, outswim, outclimb all the other kids.
King polydectes announces his marriage, while everyone has to bring a gift, and everyone said they would but Perseus had nothing to give since he lived off of the king, so he said he will bring the head of Medusa as a gift because he deserves more than a horse.
Perseus asks for help from his father Zues to find Medusa, but Hermes responds telling him to visit the three gray sisters, and force them to tell him where the nymphs are, so he could get the weapons to kill them. And gave him a gift of his sandals to fly