The Case-Book of Sherlock Holmes - The Adventure of the Blanched Soldier

In which a devoted former comrade arrives at a secluded English estate to uncover the mysterious circumstances surrounding the sudden disappearance of a young soldier recently returned from the Boer War, encountering suspicion and secrecy within the family home. Through careful investigation and deduction, a most unusual affliction is revealed, resolving the enigma with a blend of medical insight and human compassion.