Dancing trees (2009)

Martha (Katie Boland), 18, sees the world as animated and fun. She has a form of autism that means she is a mathematical genuis whilst incapable of looking after herself. Living in a dull routinewith her cousin Nicole (Brooke Burns), and mother Josephine (Amanda Tapping), she sees the good in everything and everyone. But suddenly, her mother is the casualty of a brutal crime before her eyes and Martha is sent to a foster home. Nicole is distraught and battle for custody of her cousin, but the police constantly block her requests. Finally, Detective Velez relents, on one condition: Martha must help solve the crime and find justice for her fallen mother.