As the revolutionary war begins, thirteen-year-old isabel wages her own fight.for freedom. Promised freedom upon the death of their owner, she and her sister, ruth, in a cruel twist of fate become the property of a malic...As the revolutionary war begins, thirteen-year-old isabel wages her own fight.for freedom. Promised freedom upon the death of their owner, she and her sister, ruth, in a cruel twist of fate become the property of a malicious New York city couple, the locktons, who have no sympathy for the American revolution and even less for ruth and isabel.