Mary Alice has spared nothing for her only daughter's wedding -- from seventy-five yards of bridal train to gourmet food for over three hundred guests and enough glittering elegance to make Mary Alice think about finding herself a fourth rich husband to pay for it all. <P>Practical Patricia Anne has put away her aunt-of-the-bride blue chiffon and settled back into domesticity when fun-loving Mary Alice calls to say they have a post-wedding date with a genealogist from the groom's side of the family. Lunch is a fascinating lesson on the hazards of finding dirty linens in ancestral boudoirs that ends abruptly when their guest scurries off with the local judge, leaving the sisters with their mouths open -- and finishing their luncheon companion's cheesecake -- when the police arrive. <P>Their mysterious guest has taken a plunge from the ninth floor of the courthouse building -- an apparent suicide. But given the scandals a nosy genealogist might have uncovered, the sisters are betting that some proud Southern family is making sure their shameful secrets stay buried. . .along with anyone who tries to dig them up.</P>