Medea writes Jason a letter accusing him of betraying her by leaving her for another woman. She claims she killed her brother and betrayed her father to help Jason retrieve the Golden Fleece. Medea says she had no choice but to kill Jason's new wife and their children out of revenge and to preserve her pride.
Jason responds that Medea's actions were her own choice and that he did not force her to do anything. He says marrying the other woman was for their benefit, not just his. Jason says Medea's jealousy and madness drove her to kill their children, not him. While King Creon was foolish to let Medea stay, Jason says in the end only Medea is to blame for