Lea and Zoe gradually lose all hope that their mother will ever return. They look to Karen for comfort in their pain, but Karen is evasive. She feels desperately lost herself. Karen reveals to Sarah and Marie why it is that she dreads being responsible for Lea and Zoe. She was forced to shoot a 10-year-old suicide bomber in self-defense in Afghanistan. Since then, she has been battling post-traumatic stress disorder and addiction.
