Based on the novel by Doudie Smith, the film is set in London during the punk rock revolution of the 1970s and tells the story of a young con man named Estella (Emma Stone). Estella is a smart and creative girl who is determined to make herself famous with her designs. She befriended a pair of thieves who appreciated her penchant for pranking and was able to build her own life together on the streets of London. One day, Estella's fashion taste catches the eye of Baroness Von Hermann (Emma Thompson), a fashion legend with devastating fashion and terrible elegance, but their relationship triggers a series of events that lead Estella to embrace her evil side and become the crazy, fashionable and vindictive Couila.