The story of a 13-year-old African-American girl who is sold to a cruel, loyalist family living in New York City at the start of the Revolutionary War. Asked to spy on her owners for the Patriot cause, she is reluctant, until she realizes her loyalty lies with the side that can provide her with freedom.

After being sold to a cruel couple in New York City, a slave named Isabel spies for the rebels during the Revolutionary War.

When their owner dies at the start of the Revolution, Isabel and her younger sister are sold to Loyalists in New York, where Isabel is offered the chance to spy for the Patriots.

When their owner dies at the start of the Revolution, Isabel and her younger sister are sold to Loyalists in New York, where Isabel is offered the chance to spy for the Patriots.

When her owner dies at the start of the Revolution, a greedy nephew keeps Isabel and her younger sister enslaved and sells them to Loyalists in New York, where she is offered the chance to spy for the Patriots.