So, to put it simply, that matter was all about the people from Director Wang's side, and Nannan's case, from beginning to end, was chiefly orchestrated by the Yang Family. It wouldn't be strange if someone who had initially assisted the Yang Family patriarch was compelled to be involved in the plan regarding Nannan's disappearance back then; nor would it be strange if later on they used this as leverage to blackmail the Yang Family.
As for formulating a strategy, for the old General Lu, who had weathered many storms, as long as the situation was clear and he knew the root cause, it wasn't hard to prescribe a solution.
