A cold case resurfaces in 1996 Yokohama when a respected tutor's unsolved murder reignites investigation into his troubled former student, uncovering hidden connections between the victim, suspects, and seemingly unrelated individuals that twist the mystery into unexpected directions.

本剧改编自同名小说，是一个社会派本格推理故事，讲述了刑警平良正太郎（吉冈秀隆 饰）追查1996年发生的一起杀人案件的过程。他在追踪潜逃两年的嫌疑人阿久津的踪迹、并深入调查杀人动机的同时，逐步接近事件背后的“真相”。当原本看似毫无关联的人物与线索，逐渐围绕着“某位嫌疑人”交织在一起时，一个令人意想不到的“社会黑暗面”也随之浮出水面。

When Tetsuya (Yosuke Kubozuka) was 10-years-old he met Emi (Meisa Kuroki), who suffered from a heart disease. In hopes to cure Emi's condition, Tetsuya decided to become a doctor. Following through on his dreams, Tetsuya is now a doctor and is about to marry Emi. One day though, Tetsuya hears about Don (Edison Chen). Tetsuya remembers the times he spent with Emi and Don as a child and also feels insecure about Don.

A young man named Teru, mentally altered by a childhood injury, runs a laundry and falls for Mizue, a lonely young woman with internal scars.

女演员吉冈里帆久违3年将单独主演定于9.20日上映、森淳一导演的电影「看不见的目击者」，本片翻拍自2011年上映的韩国电影「盲证」，讲述了主人公在交通事故现场感觉到车内有被绑架的女高中生，为了解决案件而奔走的故事。

故事以现代东京为背景，在也门担任无国界外科医生，目前归国的Wato Tachibana（贯地谷诗穗梨），与任职警队的调查顾问Sara Shelly Futaba（竹内结子），组成搭档，以过人的推理技巧，破解一件又一件的悬案。

Ichiko bakes a cake for an end-of-year party with her friends. In the depths of winter, making mochi and curry keeps the people of Komori warm. Later, spring brings thoughts of her absent mother as well as rice planting and sakura, and she begins to think of leaving Komori behind again.

Fleeing heartbreak in the big city, Ichiko returns to Komori, her rural hometown. She battles summer's rain and humidity, bakes her own bread, grows hothouse tomatoes and tills the fields. During autumn, the time for pickling and preserving fish and sweet potatoes, Ichiko begins reaping rice and recalls her departure five years before.