Lucas Frost, an honest man brought up in a crime family whose only legacy is violence, tries to make his own life with his fiancée, Emma. He is suddenly pulled back into the family business he so despises when his cousin, Eli, perpetrates an armed robbery on a local scrap yard and an innocent life is caught in the crossfire.
An aging ex-boxer gangster working as muscle for a Boston crime boss receives an upsetting diagnosis. Despite a faltering memory, he attempts to rectify the sins of his past and reconnect with his estranged children. He is determined to leave a positive legacy for his grandson, but the criminal underworld isn’t done with him and won’t loosen their grip willingly.
A corrupt D.A. with governatorial ambitions is annoyed by an investigative reporter's criticism of his criminal activities and decides to frame the reporter for manslaughter in order to silence him.
Twins Ronnie and Reggie Kray are raised in east London, under the influence of their hateful but doting mother Violet. As they grow up, Ronnie's violent nature takes over, and Reggie follows his brother's lead. The two become notorious crime lords who rule over the East End club scene. But at the height of their power, the brothers veer into different lives, giving the older crime bosses a chance to reclaim what the Krays took from them.