In 1919 Birmingham, Thomas Shelby struggles to protect his 17-year-old daughter from the violent world of the Peaky Blinders. While she represents innocence and light, the family—Arthur, John, Finn, Polly, Ada, and Michael—revert to their ruthless, calculating selves when she’s not around. Her presence softens the household, but the danger of their lives constantly threatens to reach her, forcing Tommy to balance love, control, and the harsh reality of their legacy.