A doting grandfather climbs a ladder to retrieve a frisbee from the roof for a young boy. He topples backwards crushing the boy who dies in CRASH. Julian's skills save a knifed taxi driver. Police arrest a patient, Gordon, after his wife's lover, whom he attacked dies of a brain haemorrhage. Duffy finds it tough being a single mum. Let down by a babysitter, she has to bring baby Peter to work.