Phoebe and Max are assigned a mission in their new hi-tech beach home base, where their superhero identities remain a secret. They bring Chloe along to help her have a normal life, but the trio must stop the threats of Secret Shores and the true supervillain known as the Mastermind.
A training accident makes Chloe's powers faulty; Max tries to cure her and gets a misleading positive result, so she goes to a party; but his treatment actually creates brand new powers Chloe can't control
Chloe, Jinx and Booch are designing a school mascot, but Max and Phoebe's feud over their jobs ruins the project; Chloe criticizes them, and the twins realize their fighting affects Chloe now that they're guardians.
After Phoebe and Max let Chloe's friends watch a horror movie and eat candy, Jinx and Booch's parents want to meet Chloe's; with Hank and Barb away, Max and Phoebe transform into them to help Chloe; it goes well until the real Hank and Barb show up.
