Harper's a big-city PI, who travels to Louisiana to help an old girlfriend who's worried her husband will find out she's been cheating on him.Harper's a big-city PI, who travels to Louisiana to help an old girlfriend who's worried her husband will find out she's been cheating on him.Harper's a big-city PI, who travels to Louisiana to help an old girlfriend who's worried her husband will find out she's been cheating on him.