The picture begins with Moriarty and Holmes verbally sparring on the steps outside the Old Bailey where Moriarty has just been acquitted on a charge of murder due to lack of evidence. Holmes remarks, "You've a magnificent brain, Moriarty. I admire it. I admire it so much I'd like to present it, pickled in alcohol, to the London Medical Society." "It would make an impressive exhibit," replies Moriarty.