In the year 1835, Caitlyyn and James's mother left them when they were five. Eleven years later and Caitlyyn and James live with their mother's cousin Isabelle. A week after the twin's birthday strange men come knocking at their door. Fleeing from the men Caitlyyn and James go on a strange journey in order to find out who they are, why their mother left them, and why strangers want them.