The premarital bliss between Tom Flanagan and fellow historian Mindy McDonnell is disrupted by mysterious writing on their living room wall and a sudden visit from their former adversary, Martha Radisson. Her fresh and unexpected insights regarding the circumstances of the unexplained disappearance of Tom's brother Patrick sends Tom on a harrowing journey, from the Saint Lawrence River in the present day, to the Anti-Rent Wars of 1840's Upstate...