On a futuristic world, the population travel by making their own rainbows - but you have to be twelve before you get your own empowering cape and diamond. Ten year old “Arco” is impatient, though, especially when his parents and sister return from an exhilarating trip. One night, when all are asleep he pinches his sister’s kit and sets off for his maiden flight. Of course, he’s hardly adept and so soon plummets through the clouds, and the timeline, and finds himself stuck in a past world with “Iris”. She’s an independent spirit whom he soon learns to trust, and despite the chagrin of the…