The well-known penguin hero Mumble from Happy Feet, has blossomed into a proud dad. But so far his son Erik has given him nothing but worries, because he doesn't want to dance with the other penguins and feels like an outsider. Erik tears together with his penguin friend Ramon, who has nothing but women on his mind, and meets Sven the Great on his journey. Sven is the only penguin that can actually fly, Erik is immediately enthusiastic about it.

When an earthquake shakes Antarctica, Mumble's penguin colony is deprived of their food source, dem More, completed. A neighboring penguin colony could help, but to make matters worse, a bad snowstorm is approaching, which now puts both peoples in danger.