Sullen, defiant and on probation following her release from juvenile detention, 17 year old Amy is living with her adoptive parents. Her relationship with them is not going well especially her father, Peter. They move into a new house in a countryside. While Amy is struggling with her new life, she meets Chloe, a friendly local girl the same age as her. Amy is immediately attracted to Chloe and becomes a friend with her. Also Amy’s parents who think her friendship with Chloe is a step in the right direction offer Chloe a job of cleaning their house. But friendly Chloe is not what she seems. And when Amy discovers Chloe’s secret she finds herself fighting for her life, and for the future of the family she herself tried to destroy. Bad Girl is psychological thriller with superb performances from Samara Weaving and Sara West who played Chloe and Amy.