Peaky Blinders Season 4, Episode 3, titled "Blackbird" (2017), centers on the Shelby family’s war with the Italian Mafia following the death of John Shelby. This episode features the introduction of Aberama Gold and focuses on themes of grief, revenge, and the introduction of the song "Bye Bye Blackbird" to highlight the emotional turmoil. For more information, visit the Wikipedia page for the episode.