When 14-year-old Nacole Smith is brutally murdered in 1995 on a wooded path in Atlanta, the police and community rally around her mother as she seeks justice. It will take decades and a second brutal assault to finally reveal Nacole's killer.

When teens Llianna Adank and Eric Goldstrand are found shot to death at an Oregon park in 1977, every parent's nightmare comes true. Detectives doggedly pursue leads for 40 years until a single piece of evidence leads them to a suspect 3 states away.