In the midst of an earthquake, Nora awakens to find Kevin missing and her hopes of safety in their new town dashed. The Murphys are left reeling after Evie's disappearance. Kevin returns home, but without his memory of the night before or his cell phone, which would link him to the missing girls. Meanwhile, an old enemy makes her return in an unexpected way.

Unexpected visitors get under Nora's skin and she becomes preoccupied with a burning question about herself. Kevin's predicament becomes impossible to ignore. Erika finds an unlikely ally and reveals haunting secrets.