A police chief takes in a young child she finds near the site of a mysterious accident, who has no memory of what has happened.

As Jo and Chris try to identify the sinister forces coming after Piper, a mysterious man hinders their search and brings danger too close to home; Abby works with Piper to trigger her lost memory; Jo makes a deal with Benny to secure Piper's safety.

A mysterious illness takes hold of Piper; Jo and Benny investigate a powerful tech mogul, Richard Kindred; Jo considers accepting help from an unknown source; Alex works to decipher a radio frequency code from Piper's plane crash.

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; 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; Piper experiences intense, confusing visions.

Jo and Benny investigate the death of Richard Kindred's former business partner; Mia and Piper experiment with Piper's powers; Alex confronts Ed about his health.