Beyond explanation... beyond understanding... lies the truth. This character-driven genre thriller follows a police chief who takes in a young child she finds near the site of a mysterious accident who has no memory of what has happened. The investigation draws her into a conspiracy larger than she ever imagined, and the child's identity is at the center of it all.
As Jo and Chris attempt to identify the sinister forces coming after Piper, a mysterious man hinders their search and brings danger too close to home. Meanwhile, Abby works with Piper to trigger her lost memory, while Jo makes a shrewd deal with Benny to secure Piper's future safety.
A mysterious illness takes hold of Piper, while Jo and Benny investigate a powerful tech mogul, Richard Kindred. As Piper's health deteriorates, Jo weighs accepting help from an unknown source. Meanwhile, Alex works to decipher a radio frequency code from Piper's plane crash, and Ed has a follow-up oncology appointment.
After learning more about Piper's origins, Jo struggles with the decision to shelter her. Benny enlists a friend to hack Kindred's secret files, and Chris clashes with a headstrong informant he's assigned to protect.
Jo is determined to prove Kindred was behind the attack on Benny and April. Meanwhile, Piper experiences intense, confusing visions.
Jo and Benny investigate the death of Kindred's former business partner. Meanwhile, Mia and Piper experiment with Piper's powers, and Alex confronts Ed about his health.
Jo and Chris rush to find Piper before she's put in harm's way. Meanwhile, Jo faces new challenges at home after betraying Alex and Ed's trust.
The FBI arrives in Southold, complicating Jo's efforts to find Emily. Meanwhile, Alex and Piper hunt for answers on a road trip, and the family celebrates Mia's birthday.