莎拉在丈夫死后艰难的独自抚养一对儿女，儿子因为目击父亲惨死而失声，令莎拉身心疲惫。街头混混铁托抢劫了黑帮的毒品之后，铁威逼利诱莎拉，然后把毒品藏匿在莎拉的家中。莎拉的孩子意外毁掉了毒品，令铁托恼羞成怒。...

When Tommy Shelby MP (Cillian Murphy) is approached by a charismatic politician with a bold vision for Britain...