George asks Jim to help him take down a mobster who has eluded arrest for years. Meanwhile, Stephanie disobeys Dr. King's wishes and tries to find out more about Volson's research, and Daphne asks JJ to use his powers to help her impress a boy.

Stephanie tries to uncover the reason behind Jim's sudden loss of powers, which could put an end to his crime fighting days; JJ may be facing criminal charges after he's caught hacking into the school computer system by his teacher; Daphne uses her abilities to impress a boy; and Katie begins falling for her mysterious new beau.