Coming of age as the Revolutionary War rages, Peggy Shippen is a woman torn between two sides. While her prominent Loyalist family seems to remain stubbornly neutral, she yearns to enter the political fray. That's when she meets the dashing, rising star, British Captain John Andre, who becomes the first to truly recognize her intelligence. He welcomes her into an irreverent circle of friends and soon has her heart. But when the war separates them, Peggy attracts the notice of an older military general, whose heroics for the Patriots has captured the world's imagination - Benedict Arnold. As she trades Loyalist balls for Patriot salons, she must carefully tread the line between the most prominent figures of early America and her own struggles against powerlessness. In an audacious scheme to ensure her family s survival and in hopes of a revolutionary reconciliation, Peggy ensnares Benedict in what would become the most famous treason in history. Though the question remains, on which side is her heart?