Lars, a little Polar Bear, and Otto the great musk ox help Oliver the little reindeer find his mother when he gets separated from her during a snowstorm.
Leonardo, a small penguin, has dreams of being able to fly, and he is not happy until his dream comes true, when Otto the albatross takes him for a ride in a flying machine.
Lars the polar bear, having met a dachshund on a submarine who told him about the ice melting and two polar bears on the submarine that are bound for a zoo, decides to try and rescue the cubs.
After Lars the little polar bear rescues a scared hare from a hole in the ice, the two new friends share an adventurous day, during which each discovers just how much courage he has.