: The season opens with Tommy and Grace 's wedding, symbolizing a new era of legitimacy. However, tragedy strikes when Grace is assassinated at a charity gala, leaving Tommy consumed by grief and a thirst for revenge.
: The plot is a complex web of double-crosses. While Tommy provides armored vehicles, the Economic League secretly intends to provoke a Soviet attack on British soil to force the government to break diplomatic ties with the USSR. Major Plot Points Peaky Blinders - Season 3
: A separate conflict arises with the Changretta family after John Shelby beats Angel Changretta, sparking the retaliatory hit that killed Grace. Season Finale and Betrayal : The season opens with Tommy and Grace