Successful TV executive Claire (Kate Jackson) is half right when she suspects that her husband is having an affair with another woman. Claire's husband, Zack (Michael Ontkean), is interested in someone else -- his new friend, novelist Bart McGuire (Harry Hamlin). As Zack's obsession with the elusive writer begins to consume him, his marriage to Claire slowly disintegrates in this bittersweet drama directed by Arthur Hiller.