Episode 17 recap: Li Ziyi attended the Queen's birthday banquet.

The Queen expressed that she possessed everything and no one could take it away from her. The maids reassured the Queen that after her birthday, there would be no more troubles. Li Ziyi stated that he wanted to settle everything from the past and asked Prince Wuji to believe that he would return. The Crown Prince and Prince Chu went hunting together. The Crown Prince realized that he hadn't thought of a good gift for the Queen's birthday. If he could catch something good and give it to the Queen, she would definitely be happy.

During the hunt, the Crown Prince was attacked, and Prince Wuji came to his rescue. Prince Wuji killed Prince Chu, but upon closer inspection, he realized it was a fake Prince Chu and understood that he had been deceived. The Queen looked at her face, which suddenly aged, and became extremely agitated. She asked the maids to bring medicine, expressing that she possessed everything and no one could take it away.

The maids reassured the Queen that after her birthday, there would be no more troubles. Li Ziyi was choked by the Emperor but managed to break free, believing that the Emperor was being controlled by witchcraft. Tomorrow is the Queen's birthday, and Li Ziyi is prepared to attend. Li Ziyi said that Prince Wuji is now seen as a rebel and traitor by others, and if he goes there, he will surely be captured.

Li Ziyi stated that he wanted to settle everything from the past and asked Prince Wuji to believe that he would return. Prince Wuji expressed that when Li Ziyi returns, they will lead peaceful lives. During the Queen's birthday celebration, the Crown Prince mentioned that he had prepared a gift and invited Li Ziyi to come in. Li Ziyi performed a sword dance and directly killed Prince Chu, stating that he did it for the Imperial Guards and Prince Wuji.

The Crown Prince advised the Queen not to make further mistakes and not to be controlled by others.