C272 Brawler Knows Medicine

Ah.

He suddenly smiled without leaving a trace. He put down the cup and said: "Officer Tang, let me take a look. There is really something wrong with the tap in your bathroom. You have a toolbox here. I will help you check it."

Seeing Mo Nan put down the cup and did not drink, Tang Xin's face immediately became disappointed. Just a little bit more, why did he not drink?

However