Episode 1
After being tackled during a football match, Karan is rushed to St George's with a leg fracture. Will has a painful swelling on his head.
Episode 2
Iris, who is 91, comes to St George's with two severe leg fractures. Elijah has injured a finger on a kebab slicer. Alison has sepsis.
Episode 3
Chris comes to A&E with a suspected broken back after falling off a ladder while doing the gardening. Liam collided with a car while cycling. Khushbo is bleeding from her throat after a recent tonsillectomy.