Murder. History. Mayhem. Recently divorced, Ethan Hudson is looking for something to occupy his time and, encouraged by his daughter to get out more, he decides to sign up for a local evening history class to improve his knowledge of Lancashire’s past. Hoping to meet new people, little does Ethan know that this course will change his life forever… This is no ordinary history class. Instead, Ethan and his classmates are introduced to a series of mysterious murder cases that occurred over the last century within the county. At first they seem unrelated, but soon Ethan’s inquisitive and suspicious mind, fed on crime novels and detective shows, begins to see a pattern connecting the murders. But how could a series of murders dating back to 1911 have anything to do with the present day? And can Ethan solve the mystery before it is too late?