Dr. Jekyll is a respected public figure and scientist in Victorian London who believes in the dual nature of man and is engaged to be married. He creates a potion that allows him to transform into the monstrous Mr. Hyde, which kicks off a series of crises as he loses control and switches between his personas involuntarily. After several transformations where Hyde hurts others, Jekyll's friend Lanyon discovers the truth and outs him, leading to Jekyll/Hyde's death and resolution of the central conflict.