On the surface, life is going well for Victorian special agent Sir Maurice Newbury, who has brilliantly solved several nigh-impossible cases for Queen Victoria with his indomitable assistant, Miss Veronica Hobbes, by his side. But these facts haven't stopped Newbury from succumbing increasingly frequently to his dire flirtation with the lure of opium. His addiction is fueled in part by his ill-gotten knowledge of Veronica's secret relationship...