Twenty-year-old Laurie Depies vanished without a trace 26 years ago from her boyfriend, Marc's, apartment parking lot at around 10 p.m. The only clue she left behind was a cup on the roof of her 1984 Volkswagen. Marc claims Laurie's mother, Mary, blamed him for not being there for Laurie to protect her. Marc and Mary haven't seen each other in 15 years but come together to discuss what happened to Laurie. A psychic detective gives Marc and Mary some possible new clues. And Dr. Phil helps Marc find some closure.