Lin Liangshui, a barrister played by Wong Tze Wah in the film The Bad Tongue Lawyer, was unjustly imprisoned by the defendant Zeng Jieer (played by Wang Danni) for 17 years because of a mistake. After losing his reputation, he sued for ordinary people with cheap services.
Lin Baoyi appeared in the audience as an "egg man" in the film, witnessing the defense process of Wong Tze Wah. Wong Tze Wah is to show Lin Baoyi the chain of evidence so that he can better convict and arrest in real time.