"American Gangster" is a crime drama film that tells the true story of Frank Lucas, a heroin dealer in 1970s New York City. He rises to power by using a unique method to import drugs directly from Southeast Asia, avoiding the traditional mob routes. The film explores his life of crime, wealth, and the challenges he faces from law enforcement. On the other side is Richie Roberts, a dedicated detective determined to bring down Lucas and his drug empire. The movie highlights the intense cat-and-mouse game between Lucas and Roberts, showcasing themes of morality, loyalty, and the impact of the drug trade on society.