A loyal Southerner embroiled in John Wilkes Booth's plot to kill President Lincoln struggles with a dilemma that is tearing him apart. But should he avenge the South as a hero, or back out as a coward and avoid an unforgiveable sin? We know about Mary Surratt, "the conspirator" who helped John Wilkes Booth launch his insane plot to assassinate President Lincoln. But Mary wasn't the only conspirator in the Surratt family. Her son John is a...