In the middle of a colourful park, where the trees had purple leaves and the clouds looked like cotton candy, a little boy called Zbyszek was running around. On that day, Zbyszek was very pensive because he had not been able to find his smile since morning. His mother told him to look for it under the huge rainbow tree, where different emotions sometimes hide. Zbyszek set off, passing singing birds and enchanted butterflies. On the way he met an owl called Helen, who asked: "Why do you have such a sad face?" Zbyszek just shrugged his shoulders and walked on. In his mind he had a thousand questions - had the smile taken offence? Or did he hide among the fluffy grasses? Suddenly, he heard a quiet giggle coming from behind the bushes. When he looked behind them, he saw....