Server
Jabez Wilson, a London pawnbroker, comes to consult Sherlock Holmes and Doctor Watson. While studying this prospective client, both Holmes and Watson notice his red hair. Wilson tells them that some weeks before, his young assistant Vincent Spaulding urged him to respond to a newspaper advertisement by "The Red-Headed League" offering highly-paid work to only red-headed male applicants.
Episodes
1The Speckled Band 2The Illustrious Client 3The Devil's Foot 4The Copper Beeches 5The Red-Headed League 6The Abbey Grange 7The Six Napoleons 8The Man with the Twisted Lip 9The Beryl Coronet 10The Bruce-Partington Plans 11Charles Augustus Milverton 12The Retired Colourman 13The Disappearance of Lady Frances Carfax