C200 suffering without evidence

The three of them discussed this matter after leaving the lunar boundary for a distance. However, they forgot that there were some things that needed to be done in order to catch thieves and robbers. When they return, and only Lan Bing was here, they would want to expose Lan Bing, but what would you use as evidence?

Moreover, Lan Bing was Lin Mufeng's fiancee in name. As a man