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어느 날
故事根据BBC剧集《司法正义》改编，讲述两个男人围绕一个女人被杀事件展开激烈斗争。金秀贤饰演一名大学生，因一夜的误会而成为了谋杀案的嫌疑人。车胜元饰演帮助这名大学生的律师。
平凡的大学生金贤秀，在经历一夜春宵后醒来，却发现…然而一切证据都指向他
在律师申忠汉的告诫之下，待在拘留所的贤秀缄口不言。与此同时，警方正忙着拼凑「那晚」的故事…
贤秀遭羁押至看守所，陌生的环境让贤秀难以适应。检方认为贤秀非首次犯案，决定公开贤秀身份…
由于缺乏决定性证据，检警双方决定让贤秀接收测谎，面对来者不善的提议，贤秀会怎么做呢？
正式开庭在即，贤秀情况变得更加艰困，在狱中被欺凌的情况也加剧；而申重汉决定再次帮助贤秀…
在现场模拟的过程中，那晚的回忆如幻影般在贤秀脑中涌现。重汉则去寻找其他可能和菊花有仇的嫌疑人…
Joong Han notices that something is off about other possible suspects, Yoon Hyo Jung, Um Ki Jong, and Lee Chul Ho. He finds it odd that they were not interviewed by the police, so he questions them at the court. Meanwhile, Hyun Soo’s family suffers from having to be the family of a possible murder suspect, and in prison, Baek Ho and Doo Sik start to pick a fight on Hyun Soo. And Ji Tae advises Hyun Soo to make sure to see the end of it.
Chief Park shows up at court to provide a witness statement. While questioning him, Joong Han proves that the police had been investigating this case from the get-go with Hyun Soo pinned down as the murderer. However, the prosecutor does not back down and argues that the jury and judges should focus on only the facts and not Joong Han’s story. Will Hyun Soo be released or sentenced?
