I must make certain tat Danae never has any children
His decision for his daughter
Unexpected life for Perseus
The king has a daughter that was unsatisfied because he wanted a son. He went to the Oracle of Delphi to see if he will ever have a son for a child. They said no but eventually he will have a grandson that'll kill him.
Their adventure in the sea
So, The king made sure that she would never fall in love and locked her in a bronze house underground with a tiny one in the roof above her.
The life on the island
She said no so deal with the rejection.
No. I will not marry you
Will you marry me?!?
Danae met Zeus and they had a child names Perseus. Eventually the King found out and he plans to throw Danae and Perseus into the sea in a wooden chest.
The plans for Perseus
As Danae and Perseus hit a bump they reach the island where they meet Dictys. He found them in the chest and help them get out.
Dictys takes care of them until Perseus is a young man. During that time, Danae met Polydectes who eventually begs to marry him. But she says no and Perseus defends her.
Please marry me. I'm begging
After, Polydectes got rejected and Perseus defended his mother. Polydectes decided that its best to get rid of him.