The strange case of Dr Jekyll and Mr Hyde, Stevenson, Robert Louis

Mr Utterson, a lawyer, and his cousin, Mr Richard Enfield, were taking their customary Sunday morning walk in London when they passed a gloomy, empty house in a narrow street. Mr Enfield told his companion that one morning he had witnessed a horrible accident at the doorway of the old building. An ugly-looking man, short and slightly deformed, had collided with a little girl and deliberately trampled over her body