Basia and Tymek went together to the Forest Kindergarten, which was located right next to a small, green forest. Every morning, the birds sang merrily here and the squirrels ran through the branches. The children loved to listen to the laughter of their friends, the rustling of the leaves and the tapping of the woodpecker in the tree. One day, when Basia was climbing onto the swing, she noticed something strange - not a single bird chirp could be heard! Tymek also sensed something: "Basia, do you hear how strangely quiet it is today? Not even Mr. Martin is playing the guitar!". Suddenly, a mysterious shadow appeared under the bush. The friends looked at each other with wide-open eyes. "Maybe he's the one who took all the sounds?" - whispered Basia. Slowly they began to walk closer, when from the bush....