In 1976 Melbourne, a lonely 8-year-old girl strikes up a correspondence with an unlikely pen pal: a severely obese 44-year-old New Yorker with Asperger's syndrome.
When 7 year old Dara Reems is murdered, her parents, Quan and Cynthia Reems go search of the killer. With two by-the-book detectives on the case, all the evidence points at Quan and Cynthia.