It was a warm summer evening. Tola and Franek were walking in the garden behind the house. The sun was just hiding behind the trees and birds were chirping all around. Suddenly, right next to a big green bush, the children heard a mysterious rustling. - Did you hear that, Franek? - asked Tola, clutching her teddy bear tighter. - Maybe it's a hedgehog? - replied Franek, trying to look into the thick leaves. The rustling became louder and the bush moved slightly. The children looked at each other with wide-open eyes. - We should see what's there! - whispered Tola. They cautiously walked closer. Frank gently parted the branches, and then.... What did they see inside? Was it a forest adventure, or something completely unusual? This they did not yet know...