The grudges 20 years ago were repaid 20 years later. Jincheng accepted her father's death and she just wanted to fly away with him. It's just that this world is never something you can come and leave at the drop of a hat. "I have promised that we will be together in this life, and I will follow you to the end of the world."
If you never leave me, I will depend on you for life and death.