In 1899, a twelve-year-old rat catcher on North Carolina's Biltmore estate teams up with the estate owner's young nephew to battle a great evil and, in the process, unlocks the puzzle of her past.

When a mysterious threat moves towards Biltmore, bringing with it violent storms and flooding, Serafina must fight to defend all she loves and become everything that she is meant to be.

Set at America's largest private residence-250 rooms-with real secret passages! Readers learn about the Victorian era when electricity & other "newfangled" things kids take for granted today first came to be. Napoleon, the Vanderbilts, & some of America's greatest writers figure into the plot, as does natural resource conservation.