Watch Crown Princess Hong Full Movie Free Online 123Movies. Jeong Jo holds a birthday party in the new Hwaseong Temporary Palace to celebrate his mother Princess Hong's 60th birthday. He elects his father Prince Sado in the name of King Jang Jo and Princess Hong meets the ghost of the dead Prince Sado. She follows her memory and retraces the steps back into her past life, going back and forth the boundaries of life and death.