Jo makes a high-stakes deal to take down Helen and keep Piper safe. Meanwhile, Helen attempts to replicate Piper’s powers for herself, and Benny struggles to earn back Jo’s trust before it’s too late.

In the season finale, Jo and Brooks are in danger, and Piper’s determined to help. With Helen’s mysterious plan nearly realized, Piper recruits an unexpected team of allies to find them before it’s too late.