In "The Man with the Twisted Lip," Sherlock Holmes is approached by Mrs. Neville St. Clair seeking assistance in finding her missing husband. Neville St. Clair, a respectable man, had vanished under mysterious circumstances.As Holmes delves into the case, he uncovers that St. Clair led a secret life as Hugh Boone, a skilled beggar with a talent for disguises. Boone often begged on the streets of London. St. Clair's disappearance coincided with a police raid in the area where Boone frequently worked.Holmes traces clues to the same place where St. Clair was last seen and encounters Boone, disguised as a beggar. Initially believing St. Clair to be dead, further investigation reveals a grim twist: another jealous beggar murdered Boone to take over his begging spot.The plot thickens when Holmes finds St. Clair's belongings, indicating foul play. However, his investigation leads to a surprising revelation—St. Clair is alive, disguised as a beggar to avoid suspicion.Holmes skillfully unravels the mystery, exposing the true culprit behind the murder. The case concludes with St. Clair reunited with his family and justice served as the murderer faces consequences for his crime."The Man with the Twisted Lip" showcases Holmes' astute deductive prowess as he navigates a story of hidden identities and the grim realities of the streets, ultimately bringing resolution to a complex and puzzling case.