成濑歌（成海璃子 饰）从小就展露出了过人的音乐天赋，在身为音乐家的父亲光一郎（西岛俊秀 饰）莫名失踪后，母亲美香（手冢理美 饰）便将所有的期望却都投放到了歌的身上。随着年龄的增长，钢琴渐渐成为了歌肩上的负担，她没有朋友，没有自己的兴趣爱好，迷失在痛苦与悲伤之中的歌与母亲之间的关系越来越紧张。 一次偶然中，歌结识了名叫和音（松山健一 饰）的男孩，和音正在备考音乐学院，拥有着共同语言的两人很快便成为了朋友。在歌的支持和鼓励之下，和音顺利通过了考试，之后却又因为钢琴水平起伏不定而成为了半吊子老师御子柴（串田和美 饰）的学生，御子柴曾经是光一郎的好友，通过她，和音逐渐了解了歌的家族的秘密与命运。

In 1974, during the height of the recession, a Japanese Korean family relocates to Tokyo to raise money and seek better treatment for their ill son.

In the near future of a Japan, the ancient 'Act of Vengeance' is revived and professional executioners are permitted to kill criminals by the requests from their victims. People who are to be executed are notified of the execution time and date in advance and they are allowed to have their own guard.

Yutaka was fourteen years old when he was run over by a car and fell into a coma. Now, ten years later, he wakes up and realizes that his family is not intact anymore: father, mother and sister live at different places. Yutaka decides to re-open the pony farm that his family once ran.

Suzu lives with Furuta, her fiance, but one day she leaves home without saying a word. She moves into the apartment of her friend Abe, but he has gone abroad and Yoko now lives in his apartment. Suzu and Yoko, who have known each other since childhood and have both always loved Furuta, thus find themselves sharing the same home.

A husband and wife each believe that the other is cheating on them. The upstairs room in their house becomes a point of bizarre physical transformations.