一桩(zhuāng )有(yǒu )预谋(👷)的杀人案(àn )(✒)令三流律师(shī )“大嘴巴”朴昌浩(李钟硕(shuò ) 饰)一夜之(zhī )(🎗)间(jiān )成为天才诈骗(piàn )犯(🔬)“大(dà )老鼠”,被诬陷(xiàn )(🌫)进入狱黑(🎏)化成(🌗)为监(♑)狱大佬,以恶制(🕔)恶同黑暗势力(lì )对抗。妻(qī )子(🙍)高薇瑚(林允儿 饰)为拯救(jiù )丈(zhàng )夫(🥞),同(tóng )他里应(yīng )外(wài )合共(gòng )同查案,夫妻二人誓要揭出幕后黑手。