"The year is 1861, the eve of Abraham Lincoln's inauguration. For Kate Warn, the first female private detective in American history, the only assignment tougher than exposing a conspiracy to assassinate the new president is training her new mentee, Hattie MacLaughlin, in the art of detection. The two women's mission to save the president takes them from the granges of rural Maryland to the heart of secessionist high society, and sets them on a collision...