The man with the twisted lip

At Kat Whitney's request, Dr. Watson goes to the opium den to bring her husband Isa Whitney home. Unexpectedly, he meets Sherlock Holmes there, who pretends to be a drug addict to find out the circumstances of the disappearance of Mr. Neville St. Clair. At the hotel where St. Clair was last seen, the police arrested the only resident — Hugh Boone, a colorful professional beggar with a spectacular...