Orphan Ray has been separated from his sister. The only clue to finding her is a lodestone, left to him by his father before he vanished.

The lodestone tugs Ray towards a train bursting with astounding characters.

Soon Ray is hurtling across the Wild West, joining in as they perform their enthralling medicine show.

But something dark is following the train. Something that wants to steal people's souls. How long before Ray realizes it? And can he and his new friends do anything to stop it?