A Suspicion of Innocence (2010)

Ten-year-old Julie lives with her mother, Marie, in an isolated house. Julie invents imaginary friends to fill her lonely existence, making up adventures for them in the scary manga comics she draws. But when a real murder is committed in the house, Julie takes the blame and retreats into silence. Venturing into the manga world of her daughter, Marie carries out her own dangerous and frightening investigation. Who's the real culprit? Julie, or could it be that her friends are not so imaginary after all?