Mystery: Gorgeous 21-year-old Rhonda Smith supposedly disappears from a busy upscale shopping center in Georgis. Thirty-five years later, Nancy Grace tries to put the pieces together, as her family still searches for answers.Rhonda's father, Jack Smith, and mother, Ilean Cornell, break down the case for Nancy. Rhonda's cousin, Nancy Cunningham, also joins the show along with local news editor, Winston Skinner.Can their new details help break this cold case?Experts Sheryl McCollum, director of the Cold Case Research Institute, and former detective, Steven Lampley, also weigh in on the case.