The sudden death of string theory physicist Milo Plant on the Blue Ridge Parkway sparks the interest of psychologist Celia Burns. Celia knows that Milo's girlfriend, who was arrested immediately after the crime, is not the murderer. Instead, Celia begins to investigate the disappearance of her soon-to-be-husband's daughter, Ophelia, who disappeared the same night as Milo's murder. Can Celia and her partner discover the truth behind Milo's death and locate Ophelia?