Being a child in Victorian England is tough. Smog is everywhere. Sweeping chimneys is a tiring job. The darkness seems like it will never fade, not even during the daytime. Jack knows this all too well. He's swept chimney after chimney and lived through the smog to work and study as hard as he can for his little home, hoping to one day reach a better life. Unfortunately, everyone ignores him: his parents sold him away, his master berates him daily, and his fellow sweeps prefer to talk among themselves. And in a world where you are just another droplet in the fog, why not run away? Why not take the hand of a girl you just met if she really could show you a whole new world? Why not see what secrets are stored in the past? Why not see what the future entails?