The medicine-obsessed Mo Xiaoxian, aiming to compile a medical book, set her sights on Crown Prince Qi Jue, who was poisoned with the rare "Worship Guanyin" poison. She闯入 (burst into) the Eastern Palace to treat him and helped him uncover the truth that the Empress Dowager was behind the poisoning. Determined to seize the throne, Qi Jue offered to test medicines in exchange for Mo Xiaoxian's help in detoxifying him. The two supported each other amidst the intrigues and exposed the conspiracy.