Years after the crown princess delivers forbidden twins, Yi Hwi meets a court maid who looks exactly like him, to his amazement and his mother's horror.
The queen dowager tells the crown prince to wed. As Ji-un recalls previous night's events, he realizes the reason behind his rollercoaster of emotions.
After a joyous day together, Hwi gives Ji-un her answer. Shin So-eun and No Ha-gyeong visit the palace as candidates to become the next crown princess.
The king is asked to answer to overwhelming appeals for the crown prince's removal. Reentering the palace, Ji-un promises to protect Hwi no matter what.