The residents are pleased when a fair comes to Elsinby, but Jeffrey and Samantha have their work cut out when the waltzer operator becomes trapped in the ride's mechanism. He's rushed to the hospital, where Mr. Rose operates, and reveals his father has been suffering dizzy spells recently. A concerned Jeffrey heads back to the fairground, but he's too late to prevent disaster. Meanwhile, Ken hatches a dubious money-making scheme and Jill is forced to confront a patient's wife.

Ormerod faces a taxing time when a prison van overturns on the moors. The driver is killed, a guard is seriously injured and one of the convicts escapes, while the others are rounded up and taken for treatment at the hospital, where Ken Hopkirk recognises an old friend. Goodwin fails to diagnose a serious case of post-natal depression - an error which almost ends in tragedy when the mother is found standing perilously close to a cliff-edge - and student nurse Samantha Beaumont discovers she has an unexpected love rival.