His Baby

The white smoke that was different from the regular one that circulated in the filming location earlier is clearly a good chemical science research that could make a person unconscious as soon as it was breathed in.

Now Shao Rong understood that there are other effects to it other than just making the person unconscious. One of them is making the person unable to speak even after coming back to their consciousness.

Though Shao Rong does not know if the loss of voice is temporary or permanent, she was not worried about it yet. Dealing with her target is her primary mission and not taking care of side effects of some mysterious gas.