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.
