Gemma's story follows the fortunes of one mother who loses both her daughter and son.
Extras including full interviews.
During the production process the test audiences have consistently found it daunting and thought provoking. At times it is harrowing to watch of course, but a teaching programme is more than that.
We have the opportunity to learn from the interviews with the patient and her mother. We also see the discussion about the diagnostic problems and subsequent management.