It is the day of Serena's mother's operation, and she is determined that everything should go without a hitch. Gemma dismisses concerns that it is too soon for her to be back on the ward, but just how well is she coping after last week's traumatic events? When Jonny lets Mo down, she finds herself a new confidante.
Gemma fears for her life when an ex-patient takes her hostage on AAU. Tara faces her worst fear as she suffers yet another symptom. As she undergoes another scan, is this the beginning of the end? Malick and Nathan's relationship is going from strength to strength. But is Malick's determination to keep his private life secret from the rest of his colleagues threatening to ruin everything?