C70 The Machinations of the Eldest Wife!

Mother Zhang screamed and fell to the ground. She was drenched in cold sweat and her mouth kept shaking. "You… You knew it already… How… How did you know?"

Yes, only Tong Xiuchun and her knew about the drug poisoning. There was no way that it would be leaked out! And the one who prescribed the medicine was the female doctor Liu Nan Yun, who was next to Old Madam Su