Zosia lived in a house with yellow walls and a small garden. She was six years old and very fond of adventures. Zosia's best friend was a little brindle cat called Fafik, who always slept next to her on her pillow. One cloudy afternoon, Zosia decided to clean under her bed. Slipping her hand under the bed, she came across something hard. It was an old, round frame that she had never seen before. When Zosia took a closer look at it, she saw that a coloured light was shimmering in the middle of the frame, as if someone had painted a rainbow in the air. Fafik approached cautiously and murmured curiously. "Fafik, look! What could it be?" - whispered Zosia. She gently touched the frame with her finger, and then something unexpected happened! Whirling sparks and colourful balloons appeared under the bed. There was a slight humming sound, as if someone was whispering from afar. Suddenly, the frame turned into a portal that looked like a round, glowing window. Fafik jumped in first and Zosia, although a little afraid, also decided to go inside. As they crossed the threshold of the portal, everything around them began to turn like on a carousel. When Zosia opened her eyes, she saw a whole new world in front of her. There were huge, dancing leaves, glowing flowers and flying, laughing soap bubbles. Fafik immediately ran after one of the bubbles, and Zosia looked around in amazement. In the distance, they saw a tall blue tower from which came the merry playing of bells. Something very strange came down to them from a huge cloud... But what was it? And where does the portal under the bed lead to? An amazing adventure awaited Zosia and Fafik, but what would happen next, they didn't know yet.