Chương 439: Chapter 449: The Letter to Him

Gu Youyou slightly lowered her eyes and said, "Master never mentioned Doctor Cao, but I know that our eldest senior brother who was expelled by Master has the surname Cao. Coincidentally, he went to Yangguan City to open a clinic, so... I took a chance and it turned out to be that very Doctor Cao."

"You..." Cao Tianyou seemed stunned for a moment. This woman... testing guests like this, it's a good thing it was him, but what if it hadn't been?

But moments later, he burst into laughter, looked at Gu Youyou for a long time, and then added, "Master's discernment has become even sharper."

Gu Youyou curled her lips, remaining silent.

Actually, Doctor Zhou had never seen her, and of course, she would not tell him that.

This was a disciple that Master wanted to protect, apparently valuing him very much. Gu Youyou didn't delve too much into those topics that shouldn't be mentioned and got straight to the point.

"Doctor Cao, I heard you plan to purchase a large quantity of goods?"