A corrupt lawyer and chairman of the Scarlet Ring secret society. He manages the society's funds, orchestrates murders to eliminate members, and uses coded advertisements to communicate. Ultimately arrested alongside Mrs. Pyke for conspiracy and murder.
Merrydew is Holmes's principal criminal adversary.
Holmes calls Merrydew London's most dangerous crook and states that he intends to catch him.
They cooperate in concealing the conspiracy and its crimes.
Holmes suspects Mrs. Pyke is collaborating with Merrydew, and both are arrested in connection with the murders and the stolen gems.
Merrydew exercises authority over Wilson within a lethal secret society.
Merrydew chairs the Scarlet Ring and tells its remaining members about the expected payout, while Wilson fears that the members are being killed.
Explore the full interactive character relationship map of A Study in Scarlet