Frances Gadsby, 17, is a Keeper of Dragons. Descended from a long line of spiritual warriors, this slip of a girl takes on evil wherever she finds it-in 1884 Duluth, Minnesota. Dragons, seen only by Frances and her ilk, feed on emotions bred by the seven deadly sins: anger, greed, sloth, pride, lust, envy and gluttony. Those who have long practiced their sin have fostered enormous dragons, and it is Frances' job to slay them. Little does Frances know that when the past abruptly intrudes on her friend Katie Marie Waverly's life, it will bring danger to all that they both love most. And it will be the battle of Frances' young life...