C22 Selling Drugs Buying Drugs?

After separating from Lin Kaishan and Lin Miaoting, Lin Miaoting first asked for the location of the passerby's medicine store. Then, she followed the plan and went to a medicine store. After walking for a short while, Lin Miaoting saw a picture of the paste drawn on a banner stop. Lin Miaoting raised her eyebrows. It was almost the same picture as the scene in modern TV dramas