The Adventures of Sherlock Holmes

In 1894, outside the Old Bailey, Sherlock Holmes and Professor Moriarty engage in a sharp verbal duel as Moriarty has just been acquitted on a murder charge due to lack of evidence. Holmes praises Moriarty's intellect, while Moriarty dryly suggests his brain would make an impressive exhibit.

Ann Brandon visits 221B Baker Street to report that her brother Lloyd has received a strange note: a drawing of a man with an albatross around his neck, identical to one her father received before his murder a decade earlier. Holmes deduces that the note is a warning rather than a threat, and resolves to find Lloyd before danger catches up with him. He prepares to intervene, sensing a link between the warning and a larger scheme at work.

Holmes discovers Lloyd Brandon has been murdered by strangulation and his skull crushed, and he is too late to save him. The albatross note now appears as a direct omen tying Lloyd's death to the broader danger surrounding the Brandons.

Holmes, in disguise as a music hall entertainer, attends a garden party to anticipate an attack on Ann. He keeps a watchful eye, using his disguise to get close enough to notice suspicious behavior. The plan is to intervene at the first sign of danger.

From a nearby park, Holmes hears Ann's cries and moves to intervene. He captures her assailant, Gabriel Mateo, who is revealed to be seeking vengeance on the Brandons for his father's death in a mining dispute. Mateo's weapon was a bola, and his motive is driven by revenge rather than theft.

Mateo reveals that Moriarty urged him to pursue revenge as part of a broader scheme against the Brandons. He indicates Moriarty's desire to sow chaos while pursuing a larger crime.

Holmes realizes that Moriarty is using the Brandons' case as a distraction from a much larger crime: an attempt to steal the Crown Jewels. The revelation reframes the danger as not just personal revenge, but a threat to the British Empire.

Holmes rushes to the Tower of London to thwart Moriarty's plan. A tense chase unfolds as he confronts the mastermind and races to prevent the jewel heist.

In a final struggle at the Tower, Moriarty falls, presumed dead. Holmes and Watson confront the emotional aftermath as the threat to the Crown Jewels is averted.

With the danger resolved, Ann Brandon is married, offering a note of personal happiness amid the chaos. Holmes watches quietly, his mind already scanning the next mystery.

Back at Baker Street, Holmes begins to play the violin as a fly crawls by, and Watson swats it with a newspaper. Watson quips, 'Elementary, my dear Holmes, elementary,' underscoring their enduring camaraderie.

The closing scenes reinforce the albatross symbol as a warning motif and remind us of Moriarty's enduring intellect. The resolution leaves Holmes and the Empire aware that the game against Moriarty is far from over.