The Sister in Law (1974)

She Helped Her Husband Destroy His Brother By The Most Immoral Act Imaginable

Cast

John Savage, Will MacMillan, Anne Saxon, Meridith Baer, Frank Adonis

Overview

Robert and Edward are brothers involved in a web of adultery and deceit. They share Edward's wife and his mistress and a mission to deliver a package of jewels across the Canadian border, but the mission turns out to be deadly.