As Shepherd and Witney reel from their liaison, Monroe finds himself without purpose after a catastrophic operation. Grave complications mean Bremner's operation on a five-year-old refugee turns into a race against time.

Monroe and Bremner attempt parallel miracles: curing the epilepsy of a middle-aged woman and accomplishing the heart transplant of a teenage girl. It's just a pity their love lives are about to come unstuck..