POOR HARRIET Marianne knows that the business she works for is in trouble, so she isn't surprised when the owner's wife, Irma, asks her to do a little favor for her-take her diamond bracelet to a man who will give her money for it. But when she confronts Mr. Moran, he seems a bit shifty to her. And Moran's wife, Harriet, seems to be an even odder character. After leaving, Marianne discovers that one of them stole the bracelet from...