Pororo takes a shortcut during a sled race with his friends and he ends up getting lost. He wanders around and finds a cave in the forest where he hears a strange sound.
친구들과 썰매 시합을 하던 뽀로로는 좀 더 빠른 지름길을 이용하려다 길을 잃어버리게 되고, 혼자서 길을 찾아 헤매는데...
