After having her heart broken, 28-year old Samantha Lezark’s efforts to find love again lead to a fatal ending; now, investigators must follow her digital trail through different chat rooms to uncover her killer. And he has killed before. Grave Mysteries is a new ID show and this is the premiere episode. It had a lot of reenactments, which was okay, but it was the interviews with the victim’s family and the investigators that offered the most insight. There was a legitimate twist at the end which really increased the impact of Samantha’s murder.