A story told in the form of chat room communications in which two teenage girls assume false identities online in order to test the fidelity of their boyfriends.
Caught between the worlds of the her Scottish father and her Mandan mother in what is now North Dakota, Rosalie fights to survive both the 1837 smallpox epidemic and the actions of a vengeful trader.
With little more than a bedroll, a change of clothes, and a Bible, fourteen-year-old Daniel LeBlanc begins walking the Oregon Trail in search of his father who, according to a mysterious visitor, is in big trouble and needs his son's help.