Shortly before the Revolutionary War, nine-year-old Felicity, who lives in Williamsburg, is torn between supporting the tariff-induced tea boycott and saving her friendship with Elizabeth, a young loyalist from England.
Volunteering with her friend Cecile at a crowded New Orleans orphanage during the yellow fever epidemic of 1853, Marie-Grace discovers that it is not just the orphans who need help.
With the help of her white friend Marie-Grace, Cecile, a well-to-do black girl in 1853 New Orleans, plans a secret adventure at a Mardi Gras costume ball.