Newberry Medalist, Avi, writes a gripping story of the American Revolutionary War through the eyes of Sophia Calderwood. Sophia, a well-educated young lady, lives with her parents in British occupied New York. Her beloved older brother is a captured soldier in the Continental Army and her parents are secretly committed to the cause of the American Patriots. Sophia, herself an ardent Patriot, wants nothing more than to help the cause and free her brother from a horrific British prison. She is enlisted as a spy; however, the plot she uncovers is almost too outrageous to believe! Can Sophia save her brother and her country without losing her own life?