Essie finds her own life in danger when she tries to help a desperate patient, the first patient on the new trauma unit is a shock to Serena and a new doctor shakes things up with her arrival on Darwin.

Still grieving for Arthur, Ric questions his surgical skill when he faces losing another young man. Oliver realises he needs to mend his own heart and move on from his relationship with Zosia when he treats a patient with a malfunctioning mechanical heart. When Jason observes the ward, Serena finds herself not only clashing with Bernie but also under scrutiny from her nephew.