Episode Name: The Last Calls She Made Air date: 12/28/2016
Summary: When teenager Marlisa Wells is brutally stabbed to death, few can imagine why anyone would do that to such a lovely girl. But Marlisa's friend says she was keeping a secret from her family, and investigators must determine if it led to her brutal murder. A secret is never safe – even when it is buried six feet under.
GRAVE SECRETS reveals the skeletons we hide in the closet and the fear of falling under suspicion. To unravel a murder mystery, investigators dig up secrets long-thought buried and come face-to-face with people who will do anything to keep those secrets in the ground.