Zosia was very fond of her big, green garden. Every day she invented new games in it together with her fluffy cat Maurice. One morning, when the sun was shining particularly brightly, Zosia noticed something unusual in the corner of the garden. Hidden in the thick hedge was an old metal doorknob! Zosia had never seen it here before. - Maurice, look! - she called out and the cat immediately rushed towards her, lunging at her leg. Zosia gently turned the handle and a door appeared in the hedge! On the other side, coloured lights were visible and she could hear quiet laughter. - Come on, Maurice, let's see what's in there! - she whispered excitedly. Zosia, holding the cat in her arms, walked through the door.... Behind them was a completely different world! The trees had glistening, silver leaves, and downy, rainbow-coloured petals fell from the sky. Tiny houses stood not far from them, and singing hedgehogs in hats walked along the paths. Suddenly, right in front of Sophie and Maurice, something flashed and they heard a quiet rustling....