In darkest rural Ireland, ex-boxer Douglas 'Arm' Armstrong has become the feared enforcer for the drug-dealing Devers family, whilst also trying to be a good father to his autistic five-year-old son, Jack. Torn between these two families, Arm's loyalties are truly tested when he is asked to kill for the first time. 字数太多了写不成短评 淦。 基于Colin Barrett所著短篇故事集《Young Skins》里的同名短篇,设定在爱尔兰乡村,前拳击手Arm在尝试做他5岁患自闭症儿子的好父亲的同时,成为了从事毒品交易的Devers家族的令人畏惧的执行者,他被迫首次杀人,在尝试做正确的事的时候会危及到每一个他珍视的人。