The helicopter medics cut short an appearance at a charity event in Suffolk to treat a dirtbiker who's crashed at speed. Sammy has a cardiac arrest while working at a windfarm, and Stephen breaks his thigh while off-road motorbiking in the Pennines.

Malcolm, who has had a cardiac arrest, is put under emergency anaesthetic on the hospital helipad. Helicopter medics rush to help elderly driver Bill after his car flips in Whitley Bay. And in Oxfordshire a sidecar race comes to an abrupt end for brothers Paul and Shane.