A quiet residential area in Tokyo. Retired judge Isao Kajima and his family have a peaceful life until Shingo Takeuchi, an acquitted suspect in a murder trial that the judge once presided over, moves next door. Shingo smiles amiably, gives thoughtful presents, even helps care for the elderly. He wins the Kajima family's hearts with his exuberant good will. However, mysterious things keep happening in Isao's house...

梶间家是一个平凡的六口之家，这一天有一名不速之客突然搬到了他们隔壁。来者名叫武内真伍（中山裕介饰），数年前曾作为杀害一家三口的凶手遭到指控，最终多亏资深法官梶间勋（伊武雅刀饰）的裁决让他重获自由。巧合的是，梶间正是隔壁六口之家的男主人。武内登门拜访，声称十分感激法官对他的帮助，无论如何要报答这份恩德。梶间家其他成员受宠若惊又诚惶诚恐，尤其是法官的儿媳妇雪见（优香饰），总担心对方有什么不良企图。正巧此时，那起灭门案的遗属找到雪见，提醒她要小心武内，因为这个人一定会让她们家陷入混乱。或许真应了遗属的说辞，从武内搬来以后，梶间一家便怪事不断。

증거 불충분으로 무죄 판결이 난 살인사건의 용의자가 자신의 재판을 담당했던 판사의 옆집으로 이사를 오면서 인간의 광기와 본성을 그린 드라마