The Shelbys suffer a crushing loss. Four years later, Prohibition's end turns Tommy toward the opium trade, forcing him to ally with his worst enemies.

Series five finds the world thrown into turmoil by the financial crash of 1929. Opportunity and misfortune are everywhere. When Tommy Shelby MP is approached by a charismatic politician with a bold vision for Britain, he realises that his response will affect not just his family's future but that of the entire nation.

December 1925. Tommy Shelby OBE has acquired unprecedented legitimacy.
The former gangster is also a man alone, estranged from his family and focussed only on business. But when he receives a mysterious letter on Christmas Eve, Tommy realises that the Shelbys are in danger of annihilation.
As the enemy closes in, Tommy flees his country house and returns to the only safe place he knows: Small Heath, Birmingham, the slum where he grew up. Facing a more determined and sophisticated threat than ever before, the Shelby family must find a way to put differences aside, work together, take up arms and fight for survival…

故事开始于1919年的伯明翰穷困区，各种暴力犯罪猖獗。一战归来的士兵，政治改革家，以及黑帮犯罪分子都想在此求得生存之机。从战场走私回来的枪支弹药进入到普通社区。

温斯顿·丘吉尔企图动用自己的"特别部队"来应对这些危机...Peaky Blinders的名称来自于该帮派成员习惯于将剃刀刀片藏在帽檐（Peak）之下，通过收取保护费，赌博以及抢劫维持运营；本剧聚焦于谢尔比家族，其中希里安·墨菲饰演的汤米·谢尔比则是最暴力的黑帮领袖，在时代大背景下，我们将一起见证这些黑帮狂徒如何生存。

在那个时代，退伍军人、革命者和罪犯，都在社会底层沉溺和徘徊生存。

而当贝尔法斯特的警方负责人开始介入时，Thomas和他的黑帮势力制造出的恐怖统治开始了倾斜。