Molang and Piu Piu lead a pleasant and quiet life in the shelter of a tree. But one day, a mammoth crashes, head down, into their tree which falls over with a terrible noise. With the initial scare ...

Molang and Piu Piu find the last piece of a puzzle which entitles one of their friends to win a magnificent sidecar. Now, they just have to find their pal and give it to him. But where is he hiding?