Brilliant consulting detective, master of deduction and observation, solves complex crimes in London.
Holmes investigates a criminal trail connected to Thadeus's household.
Thadeus is arrested during the investigation, while Holmes studies the crime scene and later refers to the trail of the Sholto gang.
Holmes provides specialized reasoning alongside Lestrade's official police work.
Lestrade arrests several people at the Sholto residence, while Holmes examines the footprints and physical clues to interpret the crime.
Mary's inheritance mystery becomes Holmes's investigative assignment.
Mary arrives at Baker Street seeking help with her father's suspicious death, the inheritance, and the missing treasure.
They cooperate as the central investigative team.
Holmes and Watson discuss the case at Baker Street, travel together to the Sholto residence, and later join forces again to pursue the treasure.
Related entry on Wikidata (Q4653), public domain (CC0).