When Ron is volunteering to help the elderly by doing tasks for them, Ron is assigned to the house of Timothy North, an elderly man who has sent all volunteers away. However, Ron stumbles across the fact that Timothy North is really The Fearless Ferret, an old superhero who Ron adores; in which Ron is selected to become the new Fearless Ferret but he must keep his identity a secret, even from Kim. Though when The White Stripe comes to fight the new Fearless Ferret, Ron discovers it’s more difficult than he expected; while Kim is busy trying to figure out why Ron is behaving strangely.

The weather outside is frightful when evil, toxically-mutated snowmen terrorize Middleton.

After both Kim and Drakken have been taken captive, Ron and Shego must race to rescue them from the clutches of Warmonga, Warhok, and the other invaders. All of the main characters must now band together to save the planet that they call home.