Trainee Rebecca and her mentor Chris are closest to the scene when a call comes in to assist a 9 year-old girl with breathing difficulties. It's an emotionally charged scene as the girl's family are incredibly distraught. Bec needs to keep her cool and hope that her training and motherly instincts see her through. On Sydney's outskirts 82 year old Bob has rolled his car several times. It's up to Evan, in the role of treating paramedic for the first time, to treat his serious injuries. It's a big responsibility and puts the young rookie to the test. And unusual scene John Williams the trainee, meets John Williams the patient. Will the real John Williams please stand up?