Thirty years ago, four children went missing from rural Tennessee. FBI Special Agent Chase Adams' sister was one of them.She's been searching for her ever since.Now, after more than three decades of silence, seven-year-old Stacy Peterson's bike is found at the end of her driveway. Only problem is, Stacy isn't riding it. When her abduction is linked to three other girls who vanished into thin air, Chase fears that this is the start of another kidnapping...