Nineteen-year-old motorcyclist Sam is airlifted to St George's after crashing into a bus and being thrown under a car. He is placed in an induced coma and CT scans reveal Sam has bruising to his lungs, a ruptured kidney, a broken thigh bone and a fractured spine. The priority of the medics is is to stop his internal bleeding, while Sam's parents are rushed to the hospital by police. Meanwhile, seven-year-old Raheem arrives in A&E with his dad Dennis after cutting his wrist while playing at home, and 59-year-old Therese turns up with a painful lump on her finger.