WOWOW开台25周年企划翻拍自人气同名美剧《铁证悬案（Cold Case）》，日本版将原先故事背景由美国费城移往日本神奈川县，讲述女警石川百合（吉田羊 饰）和她的小组重新发掘，分析证据，侦破多年以前发生的种种悬而未破的罪案，将真凶绳之以法，还受害者及家属以正义的故事。

High school student Aoi Aioi lives with her elder sister, Akane, after a tragic accident took their parents away 13 years ago. Because Akane has since been taking care of her single-handedly, Aoi wants to move to Tokyo after her graduation to relieve her sister's burden and pursue a musical career, inspired by Akane's ex-boyfriend Shinnosuke "Shinno" Kanamuro. Shinno was part of a band until he left for Tokyo to become a professional guitarist after the sisters' parents passed away, and he was never to be seen again.

Set in Qin Dynasty during the warring states period in ancient China. Shin was a war orphan. He has a dream of becoming a great general Shin has a fateful encounter with young King Eisei. King Eisei aims to unify all of China.

At the Tokyo Central Securities company where Naoki Hanzawa has been posted, a massive overhaul of the securities trading system is scheduled. Meanwhile, at an upstart search engine development and operations IT firm, SPIRAL, a rookie programmer named Kousaka, having just displayed prodigious programming skills that staved off a disastrous system shutdown, gets rewarded by being named leader of a competitive project that could make-or-break the rising company. But at the same time, nobody is aware of a dark conspiracy lurking beneath the surface.

In an era where aliens have invaded and taken over feudal Tokyo, a young samurai finds work however he can.

The Yorozuya gang returns to protect the country's shogun when the Shinsengumi police force finds itself in a crisis.