Mrs. Bi is Bi Shuyu's mother and Pei Wanyun's mother-in-law. She is arrogant, scheming, and has been pressuring Pei Wanyun about not having children for years, constantly bringing up the topic and blaming Pei Wanyun for the family's lack of heirs. She is revealed to be part of a plan to replace Pei Wanyun with Bi Shuyu's mistress, intending to slander Pei Wanyun and force compensation to make room for the new daughter-in-law and child. She is shameless in her justification of their actions, claiming she could not watch her family line continue to be prevented. She attempts to attack Zhong Qing but is stopped by Pei's father and Pei Yanshen. She values heirs above all else and is furious when Zhong Qing implies their efforts will benefit someone else.
