The year is 1902, the setting a New Orleans' suburb. The lazy summer sun is slowly penetrating the gloom of the local marshes, and yet the city is being overcast by a heavy creeping cloud of doubts and anxiety. There have always been a lot of murders in this neighborhood. Now, however, the situation is different. The latest killings are so brutal, lacking any apparent motive and too complicated to have been committed by a raging maniac. Before long they catch the attention of the Bureau of Special Investigation, who is now sending their best special agent …