Veteran New York City police detective Frank Keller (Pacino) is a workaholic cop living on the edge. Joining forces with detective Sherman Touhey (John Goodman) to track down a bizarre serial killer, he encounters a beautiful suspect (Ellen Barkin). Convinced of her innocence, Keller enters into a passionate affair, despite hard evidence linking her to the murders. Mounting suspense as Keller finds himself caught in an undercurrent of deception, seduction and betrayal.