The story of Walter Neff is told in flashback. He is an insurance salesman who was accosted by Phyllis Dietrichson who makes it clear that she wants to take out an insurance policy on her old man ...

In 1938, Walter Neff, an experienced salesman of the Pacific All Risk Insurance Co., meets the seductive wife of one of his clients, Phyllis Dietrichson, and they have an affair. Phyllis proposes ...