C458 Charge in

"Zi suddenly disappeared. Today, Hong said that I was unable to contact her. I called a few times but my phone was turned off. Even if Xiao Lang were to contact her internally, he wouldn't be able to contact her. Later I called him and found that he had become so cold and detached that he didn't want to talk about Zi at all. I feel so confused that I can't say what's wrong. In short