The family of Marilyn Bergeron searches for answers and reveals some startling theories in the mystery of a young Quebec woman who disappeared in 2008. She was last seen leaving the family's home near Quebec City to take a walk. The investigation showed that the 24-year-old went to an ATM to take out money and then made a purchase at a Café Depot in Saint-Romuald, Que. Police have no trace of her since. Was she murdered or is she still alive?