Medea writes Jason a letter blaming him for ruining her life by betraying her and marrying Glauce. She reminds him that she killed her brother and King Pelias to help Jason achieve his goals. Jason responds angrily, arguing that Medea's actions were her own choices and that he was tired of her harsh treatment so he married Glauce for love. He blames Medea for killing Glauce, her father Creon, and their children in revenge.