Rupert Penry-Jones stars as DI Joseph Chandler, a detective hunting a modern-day serial killer. In his first big murder investigation, the man Chandler was after was no ordinary killer; he was copying the murders committed by Jack the Ripper in the 1880s. With the help of self-proclaimed Ripperologist Edward Buchan and DS Ray Miles, Chandler sought to catch the killer before he emulated Jack's final kill, never to be seen again. Rupert Penry-Jones stars as DI Joseph Chandler, a detective hunting a modern-day serial killer.