incarnation of Dr. Robert Louis Stevenson wrote the novel, about Ji Keer Dr. in order to explore human nature, good and evil , invented a drug , medication after the incarnation of Mr Hyde to the Dr. to give himself all the evil Hyde . Ji Keer , Dr. practitioners for many years, on charitable deeds , excellent reputation , Hyde is evil , murder, commit murder . Ji Keer not get rid of Dr. Hyde , and finally chose to commit suicide . < - Video introduction to the end of code ->