S1, E1: New York City. 1896. The heart of America's Gilded Age. When a young boy prostitute is found butchered on the unfinished Williamsburg Bridge, an alienist named Laszlo Kreizler (Daniel Brühl), a newspaper illustrator by the name of John Moore (Luke Evans), a secretary, Sara Howard (Dakota Fanning) and a police commissioner named Theodore Roosevelt (Brian Geraghty) begin an investigation outside the law to find the serial killer.