A Jewish man collapses from angina during a synagogue service. He is given the all clear in hospital but as they are leaving his wife collapses from an aortic aneurysm and dies. A teenager falls ill from an overdose of sickle cell medication on a school trip after his teacher rejects his advances. A man named Adam suffers an asthma attack while threatening his estranged wife Catherine. He tells Maxine he is allergic to penicillin and she adds it to his notes. Rob sets up an IV drip without checking and gets Sandra to administer it against protocol when he is called away, causing Adam to fall ill. Catherine stops Adam making a complaint by threatening to report him for assault but Charlie orders an internal investigation.