The onset of schizophrenia in a young boy causes heartache and soul-searching for the boy's parents, while Kate realises that she is missing Nash who is in recovery.

A distressed schoolgirl with an awful secret causes anxious moments for the staff of Muirpark Hospital, and exam pressure forces Kate and Shug to breaking point.

Tensions run high as the junior doctors receive their exam results and Nash finally meets his equal with the arrival of a charismatic new patient.