On Memorial Day weekend Sunday, May 27, 1984, 8-year-old Marjorie “Christy” Luna left her Greenacres, Florida, home barefoot to purchase cat food at a neighborhood store just blocks away and was never seen again. Despite immediate and extensive searches, the case yielded limited physical evidence and remains one of Palm Beach County’s most haunting cold cases more than four decades later. This episode explores the circumstances of her disappearance, the challenges of early investigative efforts, and the persistent vulnerabilities exposed when children vanish in broad daylight within seemingly safe communities