The whole thing was not complicated.

In order to harm Madam Ming, Madam Ling deliberately drugged her tea. Then, she put Madam Ming and a servant from Ning Mansion together. The others saw Madam Ming lying in a disheveled state, on the same bed with the servant. After being caught by Ning Zu'an, the man said that he and Madam Ming had been having an affair for a long time already.

Ning Zu'an suspected that Ning Xueyan was not his daughter, so he wanted to kill the ...