One afternoon Susie climbed the stairs to the old attic in her house. She liked to look up there because she always found something interesting. But this time she noticed something she had never seen before - a tiny, shiny door hidden behind a toy chest. Susie was very curious. She gently opened the door and... felt a slight breeze. She peeked inside, and then, step by step, she crossed the threshold of the door. Suddenly she found herself in a completely different place! There were fluffy white clouds floating around, and under her feet was soft blue grass. Next to her squatted a little dog with ears like clouds. - Hi, I'm Puffer! - he barked happily. Susie couldn't believe her eyes. She was in the Land of Clouds! Suddenly, the sky lit up with a thousand coloured lights, and mysterious sounds could be heard from afar. Susie and Puff looked at each other surprised. What were those unusual sounds? Where were the lights coming from? Susie decided to set off with Puffer towards the mysterious place....