The Health Authority announce they plan to reorganise management at The Royal, leaving Mr Harper less than keen to re-apply for his job, so Ken and Alun decide to convince him otherwise by moving him into a luxurious new office - but their plans end in disaster after he accidentally spoons cockroach poison into his tea. Meanwhile, Goodwin's medical skills are questioned when he wrongly accuses a cafe of making a local jazz band ill and a dinner party turns murderous for Ormerod and Weatherill when their host reveals he suspects his wife is trying to kill him.
