Arthur Fleck (Joaquin Phoenix) is a man struggling to find his way in Gotham’s fractured society. A clown-for-hire by day, he aspires to be a stand-up comic at night…but finds the joke always seems to be on him. Caught in a cyclical existence between apathy and cruelty, Arthur makes one bad decision that brings about a chain reaction of escalating events in this gritty character study.