C2647 A Secret Room Conversation

Lin Ying stared at Lu Shan with a puzzled expression. He didn't do anything. Could it be that he already knew something was wrong with her grandfather so quickly?

Lu Shan smiled awkwardly and guessed what she was thinking. He casually made up an excuse and said, "This is just a guess of mine. You don't have to worry too much about it. As long as you find the source