The specialists at Addenbrooke's work against the clock to treat three patients who are suffering from life and limb-threatening injuries.

A critically injured motorcyclist is rushed to hospital after crashing his motorcycle into a fixed metal gate; a single mum of four has sustained severe spinal injuries after a car accident; and a 72-year-old woman has sustained a bad open fracture after falling off the steps of her caravan.

Surgeons at Addenbrooke's operate against the clock to remove a kidney from a husband and transplant it into his wife who is in end stage kidney failure.