When he arrived at the apartment and turned on the computer to check his emails, there was a letter from his uncle. His uncle said, "I'm so sorry I didn't take good care of you, your father and I were once very close, like brothers." Then he urged Old Li to come find him soon. When Old Li met with his uncle again, he told him that he was very worried about the current situation - they don't know who killed his father, and now he himself is almost...