Amy Anderson is a bad girl. An adopted only-child, her relationship with her parents is at breaking point. Interned in the familys new designer house in the country, Amy attempts suicide but is saved at the last moment by Chloe, the Andersons new cleaner. Seeing a role model for their troubled daughter, Amys parents encourage the girls friendship, and an initial attraction gives way to a tumultuous sexual relationship. But Amys world falls apart when she discovers Chloe is actually the Andersons long-lost biological daughter, determined to oust Amy and take her rightful place in the family. Its nature versus nurture as the girls go head-to-head in a battle over the parents. Secrets and lies change lives in this pulse-pounding psychological thriller with a moody score from Warren Ellis (The Proposition, Dirty Three, Bad Seeds). Bad Girl offers a boldly dramatic twist on the femme fatale.