On May 18th, 1863 - the day the siege of the Confederate stronghold at Vicksburg began - a secret war chest was removed by an ironclad and taken away along the Mississippi River. It contained a covenant capable of altering the entire course of the Civil War. Its destination was Washington, D.C. A place it never reached.
In the present day, Minnesotan senator Arthur Perry has enlisted the help of Sam Reilly to track down his son, who went missing while following a strange lead in the centuries-old search for the fabled Meskwaki Gold Spring within Lake Superior.
No one could have suspected that these two events, separated by more than 150 years, were inextricably linked....
