"Something is wrong with my daughter" -- After years of searching for her daughter Annette, Mary discovers a disturbing secret in the husband’s past – Annette isn’t the only one gone. One wife drowned, two others missing: what is this man hiding? What happened to the girls? Mary decides to lead her investigation, and find out the truth about Felix Vail. External footage from: "The Real Story with Maria Elena Selinas: A Mother's Quest" (ID - Lucky 8), "People Magazine Investigates: Gone Girls" (Discovery - Radley Studios), "20/20: The Last One to See Them" (ABC News), "Tim Howey's Podcast: Bill Vail Interview" (Grace Church), "Mississippi Burning" (1988, Orion Pictures), "Gone: Rose's Letters" (Jerry Mitchell, Clarion-Ledger), "Houston Aerial 4K - Drone Footage" (Barf Media).