Empress Xiaozhao, the second empress of Kangxi, was rumored to be Kangxi's Bai Yueguang. She had no children in her life, so what would happen if she could have a son? Yinreng, the only crown prince in the Qing Dynasty, was also the last wise crown prince in China. He lost his mother when he was born. The only relative he trusted was Kangxi, but he was deposed. If he could have a mother-in-law who only planned for him, would history be changed?