WriterMark Brotherhood
DirectorPaul Riordan
Research stateExpanded case file
Spoiler-light premise
Preparations for Princess Margaret's visit collapse when a school library is vandalised and its ex-convict caretaker is murdered.
What to watch for
A stolen lighter, an old school photograph and Sullivan's memory of a football match connect royal security to the victim's past.
Episode order and contributor credits: source record ↗