Ever since Xue Wanrou concluded last time that Si Yunhui had bought fake medicine, she decided to buy the poison to kill Meng Yihuan herself to avoid ending up with fakes again.
After acquiring the poison, she even captured a stray cat from the estate to test it, and only felt at ease after watching the cat slowly die from the drug.
However, when she wanted to slip the poison into Meng Yihuan's food, she discovered that the spy they had planted in Hanyi Residence long ago had been cleared out, and now she could not find anyone to help her at all.
Chapter 90