FBI Special Agen Atlee Pine has learnt several lessons in life. First, some wounds never heal, especially when your twin sister, Mercy, has been abducted from your bedroom thirty years ago and you have spent every day since wondering what happened to her. Second, time doesn't lessen your pain even if the prime suspect, the serial killer Daniel James Tor is in hight-security prison but never confessed, causing Atlee to continue looking for her sister. But hopefully, there is the third lesson: you can always made de difference. Atlee joined the FBI to hunt down killers like Tor...