A seventeen-year-old London girl flies to Los Angeles for the funeral of her mother Lily, from whom she was separated in her childhood. After stealing a suitcase of letters, clothes and photographs from her mum's bedroom at the top of a hotel on Venice Beach, the girl spends her summer travelling around Los Angeles in a bid to track down the men who knew her mother. As she discovers more about Lily's past and tries to re-enact her life, she comes to question the foundations of her own personality.