At Norfolk and Norwich University Hospital a man has been rushed in by ambulance after a stabbing. The police are very keen to speak to him, but the patient is refusing to cooperate, causing a huge disturbance in A&E. No sooner has the victim's treatment begun when another ambulance brings in the knife-wielding attacker. Dr Claire and nurse Jessica fight to save both their lives.

In Belfast's Royal Victoria A&E, an intoxicated woman complains loudly that she should be seen first before any foreigners and becomes increasingly aggressive. Twenty-one-year-old Roberta is in agony after dislocating her shoulder from a fall at home. A 27-year-old is rushed to Newham Hospital, East London, after her throat began to swell and close up while out drinking with her friends.

In Newham, doctors struggle to deal with an abusive man who claims he's swallowed a pack of heroin, while a 17- year-old is rushed to A&E after vomiting blood after a tonsillectomy.