Michael Gray, still imprisoned in Boston, makes a chilling promise to a visiting priest: once released, he will kill Tommy Shelby.

'Peaky Blinders' Season 6 Episode 5 Recap: "The Road To Hell"

Billy Grade is confirmed as the informant within the Shelby organization.

Tommy sleeps with Diana Mitford to secure her influence with the Guinness Trust for his housing project. Diana later uses this to humiliate Lizzie during a tense dinner with Oswald Mosley and Jack Nelson, leading Lizzie to storm out. Episode Production Details:

Following his diagnosis of an inoperable brain tumor, Tommy is focused on resolving his outstanding business affairs before his estimated 18 months are up.

Tommy strikes a deal with Arthur's estranged wife, Linda, donating £10,000 to her Quaker foundation in exchange for her helping Arthur overcome his opium addiction. Betrayals & Threats:

Peaky Blinders Season 6, Episode 5: "The Road to Hell" In the penultimate episode of the final season, Tommy Shelby faces his impending mortality by taking drastic, decisive actions to secure his family's legacy.

Tommy introduces his newly discovered illegitimate son, Duke (Erasmus), to the family. While the family is shocked, Lizzie is particularly upset, feeling Tommy is trying to replace their late daughter, Ruby.