Follow our documentary reporting team as they take a look at the lives of these characters. These are people who are willing to go to great lengths all for the passion and commitment of their interests, however unusual they may be. Definition - Anorak: 'A person obsessive in a subject or hobby becoming largely their livelihood'

Margaret Powers—a middle aged, middle class doctor of pathology—seeks a path of vengeance when she captures and tortures the young man she believes murdered her son, but in a bid to extract a confession, that path to vengeance leads to tragedy and unearths deeply troubling truths.