Directed by Roman Polanski, Chinatown is a landmark American crime film centered on a private investigator uncovering corruption beneath Los Angeles water politics. Starring Jack Nicholson in one of his defining roles, the film blends mystery, moral decay, and institutional power. Its bleak tone and fatalistic ending have made it a cornerstone of modern noir cinema. Från IMDB: A private detective hired to expose an adulterer in 1930s Los Angeles finds himself caught up in a web of deceit, corruption, and murder.