Mrs. Ginsberg runs into Mrs. Plotnik and as they converse, Mrs. Ginsberg remarks, "That's a lovely diamond ring. So big." "This," says Mrs. Plotnik, "is the Plotnik diamond." "The Plotnik diamond?" says Mrs. Ginsberg. " That sounds romantic. Is there a story behind it?" "The diamond," says Mrs. Plotnik, "comes with a curse." "A curse?" gasps Mrs. Ginsberg, glancing apprehensively about her. "What is the curse?" "Mr. Plotnik!"