The Stretton Street Affair

Hugh Gabriel has recently been repatriated from the war and has rejoined his old firm as an electrical engineer. On the way to visit his uncle one night, he is asked by a servant if he would be willing to meet with his wealthy master who is in some distress. Hugh becomes witness to, and directly involved with, a dastardly murder. Or has he? Who is this mysterious millionaire Oswald De Gex he has b...