太平公主
Princess Taiping overthrows Lady Wei and Princess Anle, and returns power to her brother. Her life is peaceful, until Xue Shao's son Xue Chongjian suggests her to take the throne. Xue Chongjian secretly poisons a prince named Li Chongmao and Li Dan, Princess Taiping's brother and the current Emperor. However, the plan is revealed to Li Longji, Li Dan's son and the nephew of Princess Taiping. She tries to assassinate him, but he survives. Li Longji reveals that his feelings for her are greater than an aunt-nephew relationship. He loved her for twenty years, but Princess Taiping only loved him as an nephew. She was already disillusioned with palace life and politics. After she reminisced her bitter life as a princess, Princess Taiping committed suicide in the Daming Palace.