Liam, 31, is rushed to St George's after collapsing at home after his fourth epileptic seizure of the day, and he experiences another at the hospital, while 89-year-old Mair is brought to A&E with severe chest pain and difficulty breathing and doctors take blood samples to test whether her symptoms are due to pneumonia. Twelve-year-old Lauren arrives by ambulance after breaking her leg while scoring a try in a rugby match and she needs extensive surgery to give her the best chance of walking normally again.