The Priory School Lord Saltire, the nine-year-old son of the Duke of Holdcrnesse has been abducted from his school. The abduction coincides with the disappearance of Herr Heidegger, the school's German master. Sherlock Holmes is called in to investigate.
The Second Stain A letter is stolen from the home of the Secretary for European Affairs which threatens Europe with war. Prime Minister Lord Bellinger and the Right Honourable Trelawney Hope are anxious to keep the matter quiet. They call on Sherlock Holmes to discuss the matter.