Jim's in-laws, Barbara and Allan, arrive for a surprise visit and Stephanie and Jim scurry to keep their powers a secret. However, they soon realize that something is going on. Meanwhile, Jim tries to track down some home invaders while trying to maintain his secret, and wants Daphne to help over Stephanie's objections.

Stephanie tries to determine why Jim has lost his powers; Katie gets a boyfriend; Mr. Litchfield catches JJ hacking into the school computer; and Daphne uses her powers to impress a boy. Jim gets his powers back and returns back to secret crime fighting.