The detailed plot introduction of "Witch Trial" tells a story about a young freelancer who is not very concerned about the events happening in society. By accident, he is selected as a juror and gets involved in a bizarre case. It is also a crime推理movie that predicts the drawbacks of the soon-to-be-implemented jury system. The "witch" accused of murder for a huge inheritance, with the influence of a powerful mysterious group behind her, turns the case from one with solid evidence to one where jurors start to change their testimonies one by one... Strange things also happen around the young man. Another housewife selected as a juror also receives threats. To save her, the young man finds himself in a lonely battle. On the other hand, the relationship between the two makes the young man's girlfriend, who works as a newspaper reporter, suspicious... What is the true identity of the mysterious group? And what has plunged the entire event into a strange trap?