Capone follows the final years of notorious gangster Al Capone after he is released from prison. Suffering from dementia and haunted by his violent past, Capone is living in Florida with his family as his health deteriorates. As the FBI keeps a close eye on him, Capone's mind begins to unravel, leading to hallucinations and paranoia. The film delves into Capone's past crimes and the impact they had on his mental state, painting a complex portrait of a man who was once one of the most powerful figures in organized crime.