Buffet loses contact with his grandpa, who sets off for home with the help of Euri and Luke. However, he comes across a sudden attack soon after he arrives in the South Pole. They finally escape from the attack and come to the new village of the penguins, while they are expelled by the villagers because Buffet's grandpa betrays the penguin family whose home has been occupied by humans. Determined to find out the truth, they go to the human's base for investigation. Unfortunately, only Euri escapes from the human's capture while others have all been arrested. At this moment, there are too many challenges facing Euri. How to save his friends? What's the relationship between Buffet's grandpa and humans on Earth? What's human's real conspiracy?