Zhang Cheng dispatched a search party into the mountains. They searched keenly for two days and nights, but found no trace of Zhou Gu.
He barked, "I have no idea where he was hidden. This man is nowhere to be found."
Zhang Yun said, "Uncle, attack the city. Don't delay any longer."
Zhang Cheng looked at him, "Your injury..."
Though Zhang Cheng himself could now get out of bed and move around, Zhang Yun could not. His injuries were too severe and required further time to heal.
Zhang Yun said, "My injury is nothing serious. After all, I don't need to personally fight. But as for you, sir, you can't delay this any further. Once the imperial army arrives, the idea of capturing Nanping City will be like attempting to reach the heavens. Unnecessary to ponder over, Zhou Gu is willing to take the risk to infiltrate our military camp at night to kill us in order to buy time for Nanping City."
Zhang Cheng gritted his teeth, "Fine, we attack the city tonight."