“Joker (2019)” is the story of Arthur Fleck, a man living in Gotham City during the 1980s. Arthur is a failed clown performer who grapples with psychological and societal challenges. These struggles push him down a dark path, transforming him into the nightmarish and notorious criminal known as Joker. The film provides a deep exploration of Joker’s transformation from a regular person into a mysterious and terrifying antagonist within the DC Comics universe.