Rosie loves Jack. Jack loves Rosie. So when they're separated, Rosie will do anything to find the boy who makes the sun shine in her head. Even run away from home. Even struggle across London and travel to Brighton, though the trains are cancelled and the snow is falling. Even though people might think a girl like Rosie, who has Down syndrome, could never survive on her own. Determined to make it on her own, can Rosie find her place in the world and...