Spoiler: It Starts with Giving Zhu Yuanzhang a Guide to Avoid Pitfalls

In November of the 11th year of Hongwu's reign, Princess Chang's birth to Zhu Yunxi suffered from dystocia and was in critical condition, so she entrusted Zhu Xiongying to the crown prince's concubine Lu. Mrs. Lu cried as if the pear blossoms were raining, but she was actually ecstatic in her heart. What happened to this stupid woman today was all caused by her secret methods! Mrs. Chang didn't know, Empress Ma didn't know, and Zhu Yuanzhang didn't know either. They all just thought it was a normal dystocia. Not only will she not blame herself, but she will also thank herself for taking care of Mrs. Chang. After Chang's death, she will give herself the position of crown prince and concubine! Zhu Xiongying will die from now on! The throne belongs to his son Yun Wen! Zhu Xiongying is not worthy! His good son Yun Wen, under his guidance, will surely become the emperor of the ages! … In the Wuying Palace, a curtain of light suddenly appeared, revealing the true face of the Lu family to Zhu Yuanzhang, telling the Crown Princess Chang, and the truth about the death of the emperor's eldest grandson Zhu Xiongying...