Return of the documentary following the work of emergency teams in the A&E department of Barnsley Hospital. A two-year-old with dangerously low blood sugar is rushed in. Caring for her is Paediatric Sister Kate Ellis, who reveals what it feels like when a child is brought in. Junior doctor Jake Mullen assesses 44-year-old Kay, who arrives at the hospital with flu-like symptoms. He runs the risk of contracting a highly contagious strain of flu while treating her.