The film tells the story of Kevin Lomax (Keanu Reeves), a young and ambitious lawyer who lands a job at a prestigious law firm in New York City. Unbeknownst to Kevin, the firm, Milton & Chadwick, is actually a front for the devil's operations on earth. As Kevin becomes increasingly successful, he begins to suspect that something is amiss. He soon discovers that his new employer, John Milton (Al Pacino), is none other than the devil himself.