Minority opinion is based on Sun Yalan's novel of the same name and is adapted from the homicide in Ryongshan, South Korea in 2009. The film tells the story of the hero who works as a lawyer unexpectedly, acting as a lawyer for the defendant, Park Jae-ho, who killed a policeman at the scene of a demonstration against transformation and development. The hero tries his best to argue for the defendant and tries to uncover the truth behind the mystery. Yin Jishang's court-appointed lawyer Zhenyuan has a calm personality and a strong sense of justice, while Liu Haizhen plays Zhenyuan's predecessor Dashi, who is originally a professional divorce lawyer, but spares no effort to help Yin Jishang spiritually and materially. Jin Yubin plays a reporter in the social news department and is also a woman with a strong sense of justice. Li Qingrong, Zhang Guang, Jin Yicheng, Quan Haixiao and other gold medal Lvye joined, as well as the original novel itself also has the support of fans, the film can be said to be highly anticipated.