FBI Agent Emily Byrne is shockingly returned to her family after being presumed dead at the hands of alleged serial killer, Conrad Harlow. Emily is forced to deal with the mystery of her captivity and with the fact that everyone has moved on without her. Digging into Emily’s cases, her ex-husband, Nick Durand, finds a link to Robert Semerov, a sex-trafficker with an axe to grind with Emily. But when the FBI tracks him down, suspicion suddenly shifts to Emily. Is Emily still the same person they knew her to be?

Emily’s alleged serial killer, Conrad Harlow, is released from prison, and Emily is no closer to solving the mystery of who abducted her and held her for six years. As Emily struggles to find some kind of normalcy, a witness comes forward, strengthening the case against her. Emily insists the witness is lying and must have been put up to it – perhaps even by someone in the FBI. Can Nick and Emily find out the truth before she is taken away from her family again?

When Emily’s prime suspect is shockingly murdered, all signs point to Emily as the killer. While Tommy Gibbs and the Boston Police Department build their case against Emily, she and Nick search to uncover the FBI agent who coerced the witness to lie. Emily is left to wonder: could this same agent have been her captor as well?

The evidence against Emily is too much for the FBI and Boston Police to ignore – they demand she turn herself in. In the midst of the chaos, old feelings resurface between Nick and Emily. Emily decides to go on the run in order to solve the mystery of who is trying to destroy what remains of her life. Will Emily ever see Flynn again? Does Special Agent Adam Radford hold the answers to this mystery? Will Nick ever trust her again?

When Detective Gibbs and Nick find an FBI agent murdered, seemingly at the hands of Emily, the womanhunt intensifies. Armed with a clue from Adam Radford, Emily must unlock its meaning and avoid capture. Nick tries to come to terms with betraying Alice. Can he save Emily from herself? Can he keep his family together?

Emily escapes capture armed with a new clue to investigate. But disturbing new evidence makes Emily suspect a loved one. Unfortunately, it’s the only person that can help her decipher the clue. Is Emily just paranoid or does she truly have no one left to turn to? Alice also learns some bittersweet news and faces a monumental choice.