Stephen King’s novel, published under the pseudonym Richard Bachman, works well as a movie. Billy (Robert John Burke) is a prosperous lawyer who secures an acquittal for mobster Richie (Joe Mantegna). He's attempting to lose weight, currently weighing three hundred pounds. One evening while driving home, his wife Heidi (Lucinda Jenney) starts being affectionate with him in the car. During this intimate moment, Billy …