chapter 494 Something happened to Su Yan

Michael stayed in York Group for a short time and then went to Pirn Pharmacy to consolidate the medicine. He stayed in the medicine refining room of Pirn Pharmacy for a whole day before Joshua called him out. "Teacher, why are you still in there? Something happened, it's a big mess! Why don't you deal with it quickly?" Joshua said with a tired and helpless look. "What happened again?" Michael asked curiously. "I have sorted out most of the medicines in Pirn Pharmacy. Then there is the issue of Pirn...