When handsome British viscount Major Lord Peter Tremayne commandeers her home, rebel Kate Grey throws caution to the wind and responds to his seduction. But a spy in her own household steals the military dispatches Tremayne carries, ensuring his disgrace - and implicating Kate in high treason. Months later, having narrowly escaped court martial and hanging, Tremayne returns to decadent, British-occupied Philadelphia with a new assignment - to capture the woman he believes betrayed him. Worse, the glamorous fiancée of his own dissolute cousin is none other than Kate Grey, now an undercover spy. And so begins their dangerous dance, between passion and patriotism, between certain death and the promise of a brave new future together.