A traumatised Charlotte brings Rhiannon into the ED after Rhiannon has attempted to end her life. As Frank, Jack and Gabrielle battle to save Rhiannon's life, Charlotte confronts the one person she thinks caused it all — Rhiannon's father.Erica and Steve are kept in the dark when Von and Mike take over the illegal refugee, Nadir's case. Faced with the prospect of their actions being discovered, Von and Mike take unprecedented action to keep all those who come in contact with Nadir, in the dark.Dan and Bart deal with a patient who has to make a life/death choice. The mother of the patient finally has to accept that her son is the only one who can make this choice and once she does, Dan learns what Bart has already learnt — that sometimes love equals letting go.With renewed commitment, Dan finally confronts his mother who has been battling out wedding plans with Erica's mother and only adding to the tension of getting married.