Norm the polar bear is the son of the king of the Arctic. In his youth, he develops the ability to speak to humans, a trait shared by his grandfather. Because of this, he is made an outcast from the other animals, only being accepted by Socrates, a wise bird, and Elizabeth, a female polar bear whom Norm is in love with.
Years later, Norm’s grandfather has disappeared and human tourists are filling the Arctic. Socrates shows Norm and three Arctic lemmings a luxury condo that has been installed on the ice. Inside this condo is Vera, a representative for wealthy developer Mr. Greene. After Norm saves Vera from an avalanche, Mr. Greene tells her to find an actor to play a polar bear for their campaign. Socrates convinces Norm and the lemmings to stow away on a ship to New York City.
In the city, Norm, pretending to be an actor dressed as a bear, auditions for Mr. Greene’s commercial and is taken to dinner by Vera. Greene, who realizes that Norm is a real bear, suspects that Norm has come to free his grandfather, whom Greene has captured. During a public incident involving Greene trying to shoot Norm in the restaurant, Norm subdues Greene, gaining the attention of the media and heightening Greene’s approval ratings. Greene decides to hire Norm as his mascot.
Before going on a television show, Norm meets Vera’s daughter Olympia, who tells Norm to raise Greene’s approval ratings and then speak out against him to save the Arctic. Norm’s popularity heightens the approval ratings, but Greene sabotages Norm’s plan by playing recorded dialogue stating that Norm supports Greene’s developments.
Defeated, Norm is comforted by Vera and Olympia, who reveals that Greene is developing more homes to install in the Arctic. Norm and the lemmings discover that Greene is bribing a high-ranking member of the Polar Council, and exposes this to Pablo, one of Greene’s investors. Vera resigns her position and is hired by Pablo, while Norm and the lemmings chase the truck holding the houses.
Greene sends another truck carrying Norm’s grandfather, and Norm is captured as well. After being freed by the lemmings, Norm and his grandfather catch up to the boat carrying the houses to the Arctic, and are able to detach the houses. However, Norm is separated from his grandfather and the lemmings, and is knocked unconscious.
Norm awakens in the Arctic and reunited with the lemmings and the other animals, who reveal that his grandfather was not found. Because of his heroism, Norm is crowned the king of the Arctic, before his grandfather arrives at the ceremony. Meanwhile, Mr. Greene is humiliated after his plan is exposed, and Vera and Olympia are happy with Pablo as their new boss, while Norm and Elizabeth have three cubs together.