Joan has always done the right thing, both as a palliative care doctor and as a caregiver for her widowed mother, Sheila. Joan's adventurous sister, Vivien, is a different story. She left home as soon as she was able running from an insecure childhood troubled by an alcoholic father and a mother who constantly threw away all their possessions in order to buy new ones. Vivien's rarely been back, working as a nurse in the world's trouble zones, leaving...