Dr Lalla is frustrated by summer fog which means the air ambulance cannot land. To get his patient to specialist care, he urgently needs the coastguard helicopter - and the fog to clear. A South African with Shetland roots learns to always listen to his mother. She convinces him to get his foot x-rayed after a nasty stumble, and a fracture is diagnosed. And senior staff nurse Emma Williamson suspects the cause of an asthma attack is more serious than it first appears.

Offshore worker Tony is evacuating to the Gilbert Bain with severe abdominal pain. Dr Lalla diagnoses appendicitis and Tony is rushed to theatre, where surgeon Mr Gordon McFarlane is assisted by surgical trainee Dr Jemma Langschmidt. Two ambulances and a ferry were needed to get Ingrid from Whalsay to A&E. She was knocked unconscious when a horse kicked the metal door of a horsebox into her face. Senior charge nurse Aimee Sutherland assesses the damage. And on a stunning summer's evening, the latest crop of junior doctors are taken to the tiny island of Oxna as part of their induction to Shetland life.