A gangster family epic set in 1919 Birmingham, England and centered on a gang who sew razor blades in the peaks of their caps, and their fierce boss Tommy Shelby, who means to move up in the world.

The love story of a young man and the singing, suicidal femme fatale who leads him on a topsy-turvy search for his long lost-evil brother. As he gets closer to finding the truth he must decide who to trust and what to believe.