正义感十足的新人检察官冲野启一郎（二宫和也 饰）十分敬仰当初的导师最上毅（木村拓哉 饰）。经过数年的历练，冲野终于如愿以偿调到东京地方检察厅刑警部，与成为最上麾下的一名得力干将。与此同时，橘沙穗（吉高由里子 饰）也加入刑警部，成为冲野的事务官，但她真正的身份是卧底，其目的是获取检察官为了争取顶罪而使用非常乃至违法手段的铁证。不久后，一起夫妇谋杀事件将犯罪嫌疑人松仓重生（酒向芳 饰）带到冲野面前。松仓是23年前一起花季少女杀人案的嫌疑人，但因缺乏证据无法将其定罪，此案最终过了追诉期。愤恨不已的最上执拗地要将松仓绳之於法，为此他不惜授意冲野拼尽全力朝着预设的方向推进。人性当前，谁也无法保持100%的正义。　　本片根据雫井脩介2013年发表的同名小说改编。

金獎編劇溫郁芳執筆，新銳導演張書瑋 執導，金獎男星温昇豪搭配童星陳少卉上演父子情，描述中年男子和陌生兒子間的親情交流，也帶出年輕車手在人生路上歷經坎坷後，最終得到救贖的過程，更搭檔大馬男星陳澤耀挑戰實拍拉力賽事，卡司更包括邵雨薇等人，帶觀眾奔上熱血暖心的救贖旅程，亦是首部加入「拉力賽」賽車元素的台灣電影。

Synopsis　　Falsely accused as the murderer of my own husband... Oh, the cruel machinations of fate! A female teacher (Lee Yong-ae) gives shelter to an escaped convict, but her husband, misconstruing her intentions, reacts violently and accidentally stabs himself to death in the process. The teacher is charged with her husband's murder, but fortunately the prosecutor on the case is a former student of hers, of whom she had taken painstaking care when she was working at an elementary school. Remembering her kindness to him, the prosecutor uncovers her innocence in court, and she is acquitted of the crime.　　Notes　　A silent movie that allows us to examine the narrator-accompanied method of 16mm films (Chung Jong-wha)　　A Public Prosecutor and a Teacher is familiar to us for the performance of Shin Chool, Korea's last silent movie narrator (known as byeonsain Korean). Numerous critics have recommended the film, praising it as a silent movie that allows us to examine the narrator-accompanied method of 16mm films (Chung Jong-wha), the work of Korea's last silent movie narrator (Kim Hong-joon), a movie that reflects the public's consciousness and has great historical value (Lee Seung-hun), and the archetypal new-school film (Chung Sung-il). As evidenced by such commentary, A Public Prosecutor and a Teacherenjoys greater recognition for its historical value as the only surviving silent movie in Korea than for its artistic or technical aspects. What is ironic is the fact that this recognition derivesfrom a production and screening method that fell behind the times, as sound films (or talkies) had already become the norm when the movie was first made. Its inclusion in the list is therefore based on its historical, social context rather than on the film itself.　　Afterword　　- Narrated by Shin Chool, who is known as Korea's last silent film narrator, A Public Prosecutor and a Teacherhas been screened at several film festivals since the latter half of the 1990s.