69 year-old Mark comes in to A&E with a heart rate of 240 after collapsing on a tennis court. Shiragha has high CO2 levels in his blood and is very short of breath. Harry clashed heads in a football match.

19-year-old Daniel has fallen off his motorbike. Builder William has injured his ankle while playing basketball.

A stressed 76-year-old is rushed to St George's with a deep head cut. And a mother remembers learning to love the colour of her skin after suffering racial abuse growing up.

Sir Robert, who is 93 years old, is rushed to St George's with a low heart rate. Brad has crushed his finger at work.

An 11-year-old is brought in after being struck by a car. A woman has tripped over her cat.

A patient with an ankle injury recalls how meeting her husband saved her life. 84-year-old Ioannis is treated for dizziness as his kids speak warmly of a brave, loving father.

A 74-year-old comes to St George's Hospital after an unexplained fall. A woman with possibly life-changing injuries from playing rugby describes her issues with mental health.

New parents Danny and Jordan are worried that their five-day-old newborn Gracie may have an infected umbilical cord.

Leo is in A&E after crashing his car and flipping it onto its roof. Young Kieran has hurt his wrist coming off his skateboard. 91-year-old Lillian has had a hard fall at home.

Stroke specialist Bryan's having a tough day as two patients arrive at St George's displaying severe symptoms. Ronnie finds out whether his back pain is caused by kidney stones or something more serious.