在这部犯罪少年剧情片中,在家庭裁判所工作的武藤（坂口宪二）是个诚实且能和孩子们相处的人，但却又不是很灵巧，所以往往会被孩子们捉弄。
有一天和公司的前辈阵内（大森南朋）一起被卷入银行抢劫案，但武藤却对一起成为人质的美春（小西真奈美）一见钟情，阵内预言了
武藤将会再次遇见那女孩而且会跟她恋爱，并且告诉他美春所在。
木原志朗（三浦春马）是因为偷东西而被逮捕的少年，武藤将担任这位少年的调查官，武藤却从志朗父亲的怪异神情，知道了至朗的一
大秘密之后使事情有很大的变化。
The movie progresses when after 5 years of the kidnappings a disgraced Documentary producer Kang Ji-Seung who after getting a transfer to countryside of Mount Wa-Ryung teams up with kidnapping obsessive psychology professor Hwang who teaches at a local national university to solve the mystery of kidnappings after watching an old case interview in his regional media office in cold files of the case. Kang sees this opportunity as his ticket back to national fame and success. And then they start exploring the facts and clues in order to reach on some concrete conclusions which brings some disastrous consequences and the mystery deepens as the time progresses.
犯罪少年。
