In this 1931 classic, directed by Rouben Mamoulian, the story follows Dr. Henry Jekyll, a well-respected scientist who becomes obsessed with the duality of human nature. Through a series of experiments, he transforms into the sinister Mr. Hyde, unleashing his darker side. The film stars Fredric March, whose performance earned him an Academy Award for Best Actor. Notably, the movie is praised for its innovative use of camera techniques and special effects for its time. For those interested, it can be viewed for free on 123Movies / Movies123.