Based on the stories of Tummy Tom (Dikkie Dik) by Jet Boeke.

When Tummy Tom notices that his favourite soft toy Bear is lost, he is happy to accept the offer of his friend Cat Mouse to help him look for it. On their search they have some unexpected adventures. They also meet new animals and even make a couple of new friends. Just like their little spectators, they have discovered a new part of the world.