To get Andromeda's hand in marriage ,Perseus fights Phineus , Andromeda's fiancé who came with his gang of friends to claim her . Perseus , who was out numbered by this gang hod one choice and that was to use the gorgon Medusa's head and turn them to stone .
Perseus flew home with his bride to find that King Polydectes had been persecuting Danae in his absence. Angry at the king's cruel treatment of his mother, Perceus confronted him with Medusa's head and so King Polydectes was turned to stone.
LEAVE MY MOM ALONE !!!
Dictys became the new king in place of his wicked brother.