Sister Harriet is assisted by sisters Benita, Jane and Jo for the hottest day of the year so far, with both walk-in and ambulance patients queuing up rapidly. Paramedics blue-light in a 61-year-old, who's doubled over in pain, Dr Jake Mullen preps for his arrival. An ambulance brings in 90-year-old Hazel, who's fallen and may have damaged her hip and neck.
