The little town of professor Balthazar has a famous musician, Koko the elephant, who play music with his trunk. However, his best friend Philip serves him too much ice cream and Koko catches a cold. When he recovers after 14 days, he is unable to play music with his trunk and disappears without a trace. With the help of the professor, Koko is found on the South Pole where he has made friends with the penguins.