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Carla is a British television crime drama film, based upon the novel Improvising Carla by Joanna Hines, first broadcast on ITV on 15 September 2003. The film, adapted for television by writer Barbara Machin and director Diarmuid Lawrence, stars Lesley Sharp and Helen McCrory as Helen North and Carla French, two women who become friends after meeting on holiday on the Greek Islands. But when Carla is later found dead on an isolated Island road, with only Helen by her side, the subsequent investigation reveals that from the start, their alliance was based on fantasy and lies.