The series was inspired by real-life Irish American brothers from the Irish neighborhood of South Boston: James "Whitey" Bulger, Jr., a gangster who has been on the F.B.I.'s Most Wanted List for 10 years as a fugitive from justice, and Senator William Bulger (known as "Billy"), a…The series was inspired by real-life Irish American brothers from the Irish neighborhood of South Boston: James "Whitey" Bulger, Jr., a gangster who has been on the F.B.I.'s Most Wanted List for 10 years as a fugitive from justice, and Senator William Bulger (known as "Billy"), a powerful state politician who was President of the Massachusetts Senate and later president of the University of Massachusetts higher educational system. 故事發生在美國羅德島州首府 Provindence 的海港, 風化的排房, 斑駁的拖船, 那裡的愛爾蘭裔社區, 被稱作"the Hill", 舊時的江湖道義還潛移默化地影響著這個強悍的藍領階層. Caffee 兄弟的親情在道德深淵邊搖搖欲墜, 與亞當之子該隱與亞伯的手足之爭相似. Tommy Caffee 的野心和手段讓他同時周旋在地下交易和Providence的政壇, 為了維護"the Hill", 不擇手段. 但是他複雜的家庭和職業都將被顛覆, 因為他黑道弟弟 Mike 將回歸,重掌"the Hill"的黑社會. 夾在兩兄弟爾虞我詐之間的, 是他們的母親 Rose, 她為兩個兒子驕傲, 但選擇無視 Mike 的劣跡. Tommy的妻子Eileen, 全心支持丈夫, 同時擔心家人的安全會受到Mike的威脅. 當地的黑社會老大 Freddie Cork, 當兩兄弟你爭我斗之時, 在一旁虎視耽耽. 磨拳擦掌的警官 Declan Giggs 也把 Tommy 和 Mike 當作他建功立業的戰利品.詳情