C157 Unable to Stop It

"How did you come to know about Shen Tao using Gu to bewitch Lin Sheng?" Zhao Han suddenly inquired of Nangong Chuxue.

"I found out through Shen Nian. He relies on us for his living expenses, so it's nearly impossible for him to keep anything secret from me."

Zhao Han found her explanation perfectly logical, which aligned with his own suspicions.

"The transmission of this Gu poison