Man with the Twisted Lip, The (The Adventures of Sherlock Holmes, Episode 6)

Neville St. Clair, a respectable businessman, has disappeared and his wife claims she saw him at the upper window of an opium den. Rushing upstairs to the room she found only a beggar who denied any knowledge of St. Clair - whose clothes are later found in the room, and his coat, laden with coins, in the River Thames outside the window. The beggar is arrested, but a few days later St. Clair's wife receives a letter from her husband. Holmes concludes, then proves, that the beggar is actually...