Era: the Courtyard Is Filled with Fog

The courtyard is full of evil winds and fog. What is the identity of the deaf old lady? Why can He Daqing live in the main house? Is Yan Fugui the richest man in the hospital? Why does Liu Haizhong have to be an official? Is the relationship between He Yuyu and Qin Huairu really good or is it a fake relationship? Why did Liu Guangqi escape from the courtyard? Why does Yi Zhonghai have no children? Can Silly Zhu know Tan's cuisine? What is the source of the hatred between Xu Damao and Silly Zhu? There are countless mysteries that make people want to find out.