Selling drugs in Huaxia is considered a major case. As long as it involves drugs, no matter how powerful you are, you're doomed. Therefore, despite having the backing of Li Yifei and Su Mengxin, the police couldn't release Xu Yingying and her associates before fully investigating. They had to endure a day in detention.
However, a key figure in the case, Cao Bin, suddenly disappeared.
Indeed, Cao Bin had vanished. As soon as the police seized the goods, he knew they would trace it back to him, and he dared not show his face.