影片改编自直木奖作家伊集院静的同名小说，讲述的爱犬死去的八岁女孩沙耶香（新津世知 饰演），和多年前失去幼小儿子的老人布濑（笈田吉饰演)在交流重要家人离开的心情时，逐渐温暖内心的丧失感的感人故事
讲述了一位像无根草一样生活着的、一人一剑执杖天涯散发出惊人的强大和性感的新英雄。饰演这位英雄多十郎的是初次动真格地挑战蝮蛇的高良。散发着不可思议的魅力的多十郎，受其照顾、含有隐情的小料理屋女将音世由多部未华子饰演，胸有大志而上京的多十郎弟弟数马由木村了饰演，三人各自怀着不同的想法，与見廻组展开了殊死搏斗
A criminal story set in the 1980s. Robert, a young policeman "out of principle", finds a serial gay killer. In the course of the investigation, he meets Arek. She decides to use him as an informant, not realizing how much this relationship will affect not only his work, but also his personal life.
