After Zhao Dashan pondered it over and over, he looked up in surprise to check Zhang Guoqing, exchanged a look with Zuo Lin, and they both understood who the person was. However, since it wasn't explicitly mentioned, they glanced at the other three and chose not to speak.
Mr. Lin noticed everyone's expressions but didn't react. It didn't matter now even if he knew, but since he didn't want to speak out, he'd wait for Zhou Xiaozheng to return and see how he handles it. He understood Xiao Wu's intention; the situation had already escalated, with the couple detained, and when Zhou Xiaozheng comes back, he can decide how to discuss matters with Old Man Zhou. Alas, these two kids really have it tough.
