Carly's older sister, Zoë began drinking and drug use when she entered high school. Zoë's change in behaviour began to play havoc on the family dynamic; this deeply effected Carly. Carly talks about her relationship with Zoë, but as the story unfolds we also learn Carly is now becoming involved with illicit drugs and alcohol. As Zoë begins sobriety, she tries to tell her sister, "it is not worth the pain."