One cloudy day, Chirri & Chirra decide to go out on their bicycles. Dring-dring, dring dring It's already starting to rain. As is each of their adventures, this one is completely magical and full of wonder. It is also set in a world where, as if by magic (though perhaps it's the force of the creative imagination?), they always find what they need. Pedaling along, they discover a shop. What luck The sign says it's only open on rainy days...