Superhero siblings Max and Phoebe discover that their 12-year-old sister Chloe is struggling with the pressures and fame of being a hero. To help her cope with the pressure, they decide to take her on an undercover mission to a new town
Chloe was feeling strange about herself, she transforms into a woods wolf and took out her evilness, So she decided to leave the Thundermans and went to a better place.
Chloe completes all 3 stages of our training mission letting her become a official hero as she fights her first crime undercover in new town "Secret Shores" a mysterious masked person with powers meets Chloe
A new mysterious villain sent a threat to Max Chloe and Phoebe and then the trio finds out who sent the threat and the villain tell them to go to a mysterious new place in secret shores now they have to fight them and the team
Phoebe and Max sets up a training session with their little sister Chloe to become a upcoming hero for help with suspicious activity in their new city "Secret Shores"
After Phoebe and Max and Chloe are sent to this new town Secret Shores suspicious dangerous activities occur in the new town and Phoebe and Max go undercover and investigate
Super Villain Onyx has set a virus through the internet to build a army against "ThunderTrio" as they destroyed his old plan it looks like his new plan is never gonna gonna be stopped
