Basically, the tale of Jekyll and Hyde centers on Dr. Jekyll's experiments with a concoction that leads to his transformation into the evil Mr. Hyde. It delves into the darker side of human personality and the consequences of unleashing it.
The 'Jekyll and Hyde' story is centered around the concept of split personality. Dr. Jekyll represents the civilized, good - natured side. He's a man of science, respected in society. However, when he becomes Mr. Hyde, it's like a completely different being emerges. Hyde is brutish, immoral, and has no regard for the norms of society. This transformation is not just physical but also mental and moral. The story explores the consequences of trying to tamper with the fundamental nature of human duality.
Well, basically, Dr. Jekyll has a hidden side that emerges when he takes a special concoction. This side is the evil Mr. Hyde. The story delves into the conflict and mystery of this transformation and its consequences.
Secrecy is another theme. Jekyll's secret about his transformation into Hyde is a central part of the story. In the fanfiction, Utterson's attempts to either uncover or protect that secret are often explored. How he deals with the knowledge that his friend is hiding something so huge is a major part of the narrative in many of these fanfictions. This can lead to a lot of tension and drama in the relationship between Utterson and Jekyll.