Finn Shelby ends Peaky Blinders as an outcast from the Shelby family and the gang, effectively banished after betraying their trust and swearing revenge.

Quick Scoop: What Happened to Finn?

  • Finn spends most of season 6 sidelined, appearing less and less involved in the core Peaky Blinders business.
  • This sidelining is deliberate: Tommy and the others have lost trust in him after earlier mistakes and see him as a liability rather than an asset.

His Big Mistake

  • In season 5, Finn carelessly reveals Tommy’s secret plan to assassinate Oswald Mosley to Billy Grade while drinking and taking drugs.
  • Billy, who is secretly informing for the IRA, passes this on; the IRA sabotage the assassination and kill Barney Thompson, Aberama Gold, and Polly Gray, a catastrophe laid partly at Finn’s door.

The Finale: Test and Betrayal

  • In the series finale, Isaiah and Tommy’s newly acknowledged son Duke force Finn to prove his loyalty by making him execute Billy for his betrayal.
  • The gun Finn is given has its first chambers emptied as a safety test; Finn turns it on Duke instead of Billy, exposing that he chooses his friend over family.

Excommunication and Exit

  • After this, Duke shoots Billy himself and announces that Finn is no longer part of the Shelby family or the Peaky Blinders, acting on Tommy’s orders.
  • Finn leaves in disgrace, shouting that he will “come for” Duke and effectively setting up a possible revenge arc in the planned Peaky Blinders movie rather than resolving his story in the series.

Fan and Forum Reactions

  • Many viewers felt Finn’s ending was rushed, saying his reduced screen time made the final confrontation feel abrupt and underdeveloped.
  • Others argue the arc fits his long-running portrayal as reckless, easily led, and not fully committed to the Shelby way, so his exile is the natural culmination of his failings.

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Wondering what happened to Finn in Peaky Blinders? Finn Shelby is gradually sidelined, then banished from the Shelby family after betraying their trust in the series finale, leaving on a vengeful note.

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