In Qing Yu Nian's original work, the Eldest Princess and the Qing Emperor were siblings. They were half-siblings with the same father and had no blood relationship. The Eldest Princess loved the Qing Emperor deeply, but the Qing Emperor only treated her as a younger sister. The Eldest Princess was jealous and resentful of the Qing Emperor and Ye Qingmei's relationship. She secretly plotted to murder the Qing Emperor. After the Qing Emperor learned of the Eldest Princess 'plan, he placed her under house arrest and prepared to abolish the Crown Prince. The Eldest Princess secretly joined forces with the Qin family and the Ye family to kill the Qing Emperor and push the Crown Prince to the throne. However, her plan ultimately failed. The Eldest Princess and Crown Prince chose to commit suicide. The Qing Emperor's feelings for the Eldest Princess were not as good as we thought. He was even more devoted to Ye Qingmei and had a son with her, Fan Xian.