“I'll say the things you're afraid to say, and tear into the people you're afraid to confront.”
Lin Yan is the top user of the underground dark-web app Mouthpiece, with the codename “Tyrant.” All he has to do is put on a tiny earpiece, and whether you're a bullied office worker, a lovesick person being emotionally manipulated, or a child trapped by moral blackmail, he'll deliver a flawless takedown with impeccable logic and razor-sharp insults, striking right at the heart.
Then he takes on a ridiculously lucrative blind job: helping a stuttering illegitimate son of a tycoon claim his inheritance at a board meeting. Lin Yan unleashes his full verbal firepower. His overwhelming tirade not only leaves the entire board speechless, it unexpectedly sends the tycoon's company shares plummeting and drives the group into bankruptcy!
Just as Lin Yan thinks he's completed the job perfectly, he discovers that he's wanted throughout the entire city. The “stuttering illegitimate son” was actually a sweet-on-the-outside, dark-within maniac in disguise. He used Lin Yan's mouth to carry out a malicious short-selling attack against his own group, then pinned all the blame on the “mouthpiece.”
To clear his name and stay alive, the master keyboard warrior who only ever spoke from behind a screen is forced to step into the real world. Using real-world linguistic social engineering, he'll turn the tycoon's trusted lieutenants against him, rally the oppressed rank-and-file employees, and use nothing but his words to bring down an entire business empire!