The Postman Always Rings Twice (1981)
The sensuous wife of a lunch wagon proprietor and a rootless drifter begin a sordidly steamy affair and conspire to murder her Greek husband. infidelity, based on novel or book, sexual obsession, gas station, obsession, confession, remake, murder, conspiracy, sexual attraction, drifter, courtroom, insurance investigator, crime of passion, neo-noir, erotic thriller, murder plot, plea, unfaithful wife, greek american, scheming wife, adulterous wife, defense lawyer, murdered husband, young wife, wife and lover kill husband