On the same day as the Great Chicago Fire of 1871, 250 miles away in Peshtigo, Wisconsin, there was an even more devastating fire. Twelve-year-old Ailis and her younger brother, Quinn, survive, but their family does not. Ailis and Quinn are taken by a family acquaintance to live in a boarding house in Chicago, where they meet six-year-old Nettie, an orphan displaced by Chicago's fire. But the woman who runs the boarding house makes their lives...