Jim and George track a group of thieves robbing high-end weddings after Stephanie's ring is stolen; J.J. asks Daphne to scan the mind of a cute girl.

When Stephanie's hard-to-please parents, Barbara and Allan Crane, pay an unexpected visit, the Powells must curb the use of their powers for fear of giving away their secret. But Barbara and Allan begin to suspect that something's awry when they witness some strange behavior. Meanwhile, when friend Trent Stafford and his parents are the victims of a home invasion, Daphne uses her abilities to help Jim try to track down the thugs responsible for the violent act.

When George gets credit for one of Jim's secret crime-fighting activities, animosity breaks out between the two friends. Meanwhile, Daphne suspects something is wrong with Katie's new boyfriend, JJ discovers a problem with his powers, and Stephanie and Katie disagree over a personal matter.

While Internal Affairs officer Rachel Jacobs investigates reports of a rogue cop, Jim risks revealing himself as the prime suspect when the police station is overrun by a group of thugs, and he is the only hope of survival. Meanwhile, while trying to nurse an ailing Joshua back to health at the lab, Katie and Stephanie run into Human Resources VP Victoria Morrow and begin to suspect that she isn't who she says she is.

The Powell's lives are in danger when a super-villain with animal like powers is tasked by Mrs. X to eliminate the family.

Mrs. X kidnaps J.J. and forces him to solve an enigma; Joshua and Katie reconnect; George is held prisoner on a plane that spirals out of control.