最爱唱歌的有栖川仁乃和榊桃是感情要好的玩伴，不过有一天桃家因为负债而举家夜逃，临行前桃留下希望将来能凭歌声认出仁乃这句话。为此伤心哭泣的仁乃遇…

喜爱唱歌的少女仁乃，与青梅竹马及初恋对象桃，以及擅长作曲的少年柚子，分别在幼年时就经历了离别。“总有一天，会以歌声为记号找到仁乃……”胸…

喜爱唱歌的少女仁乃，与青梅竹马及初恋对象桃，以及擅长作曲的少年柚子，分别在幼年时就经历了离别。 “总有一天，会以歌声为记号找到仁乃……” 胸怀与两人立下的约定，并坚信这一点，仁乃持续着歌唱。而高中入学那天，他们的命运之音，突然开始响起……！ “我们隐藏起了真正的心意。”

有栖川仁乃（中条彩未 饰）和榊桃（小关裕太 饰）是青梅竹马的玩伴，两人之间感情十分要好。榊桃家中欠下了巨额债务，为了躲避债主，榊桃一家决定连夜逃走，仁乃十分舍不得榊桃的离去，两人许下约定，有朝一日，榊桃一定会循着仁乃的歌声再度找到她。 　　榊桃的离去让仁乃陷入了悲伤之中，就在这个节骨眼上，一位名为柚（志尊淳 饰）的少年出现在了仁乃的身边，柚耐心的安慰和鼓励着仁乃，使得仁乃渐渐重拾了继续生活的力量。然而，某一日，柚也和榊桃一样突然就失去了音讯，但这一次，仁乃没有绝望，她吟唱着歌谣，等待着和故人重逢的那一天。

ドラマ初主演となる関口が本作で演じるのは、高校教師の大地大輔（だいちだいすけ）。かつてクラスを受け持った生徒が自殺した過去を持つ大輔は、それから3年後に新たな高校に赴任するが、そこは貧困に苦しむ家庭に身を置く生徒たちが通う“教育困難校”だった。生徒の問題へ過度な介入をしないように校長から釘を刺された大輔は、疑問を感じながらも淡々と授業を行う。そんなある日大輔はプロレス団体・BBTにスカウトされ、正体を隠しながら覆面レスラー・覆面Dとしても活動することに。プロレスを通じ、体を張って生徒に向き合うこととなる。

ドラマ初主演となる関口が本作で演じるのは、高校教師の大地大輔（だいちだいすけ）。かつてクラスを受け持った生徒が自殺した過去を持つ大輔は、それから3年後に新たな高校に赴任するが、そこは貧困に苦しむ家庭に身を置く生徒たちが通う“教育困難校”だった。生徒の問題へ過度な介入をしないように校長から釘を刺された大輔は、疑問を感じながらも淡々と授業を行う。そんなある日大輔はプロレス団体・BBTにスカウトされ、正体を隠しながら覆面レスラー・覆面Dとしても活動することに。プロレスを通じ、体を張って生徒に向き合うこととなる。

Julia is a mother, or rather, one of many mothers, sisters, daughters, colleagues, who have had their lives torn apart by the widespread violence in a country waging a war against its women. Julia is searching for Ger, her daughter. And in her search, she will weave through the stories and struggles of the different women she will meet.

Ju-young is a young woman with a hearing impediment who decides to investigate her sister's inexplicable disappearance, last seen in her apartment. Feeling more and more cornered, Ju-young begins to hear strange sounds and sense an evil presence in the apartment.

Shishikari is a remote island, which is behind the times. The island suffers from a decreasing population and declining industries. Keita Izumi (Tatsuya Fujiwara) begins to produce black fig on Shishikari Island. Because of his well received product, the island is close to receiving a 5 billion yen grant from the government, which is part of the goverment's policy to reinvigorate rural economy. The residents of the island are excited, but their peaceful days changes by the appearance of Mutsuo Komisaka. Keita Izumi and his friends Jun Tanabe (Kenichi Matsuyama) and Rookie Police Officer Shinichiro Moriya are suspicious about him. One night, Keita Izumi's daughter goes missing. Due to that, Keita Izumi, Jun Tanabe and Shinichiro Moriya happen to kill Mutsuo Komisaka. They decide to hide Mutsuo Komisaka’s murder to protect the future of the island and their families. It turns out Mutsuo Komisaka was a psycho killer. Police officers come to Shishikari Island to catch Mutsuo Komisaka.

In 2008, an indiscriminate killing which shocked the whole world was carried out in the street of Akihabara. Director Yûsaku Matsumoto was inspired by the Akihabira killing to look at random acts of violence occurring in Japanese society and exploring the aftermath of one such occurrence, and the building-up to another one. By following several people—perpetrators, victims and family of both alike, he tells a human story about inhumane acts.