As the Revolutionary War rages, a thirteen-year-old girl pursues her own fight...for freedom. Isabel and her sister, Ruth, are slaves who in a horrible twist of fate are sold to a malicious New York City couple, the Locktons. Determined to break Isabel's spirit, Mrs Lockton commits an unthinkable act of cruelty, which has a terrible impact on the sisters. Turning against her Loyalist owners, Isabel agrees to spy on them and uncover valuable information. Isabel will need all of her strength to survive. Can she break the chains that are holding her and find a better life?