Fish Tank is a 2009 British drama film written and directed by Andrea Arnold. The film is about Mia Williams, a volatile and socially isolated 15-year-old who lives with her single mother, Joanne. The mother's new boyfriend, Connor, becomes attracted to Mia and has a sexual relationship with her. The film won the Jury Prize at the 2009 Cannes Film Festival. It also won the 2010 BAFTA for Best British Film. It was filmed in the Mardyke Estate in Havering, the town of Tilbury, and the A13, and funded by BBC Films and the UK Film Council.