Dan Lawson, a Chicago detective, travels to Scotland to link up with Scottish Det. Boyd, following the resurgence of a serial killer who's crimes match an unsolved case that he looked into 5 years previous in Chicago.

Dan Lawson, a Chicago detective, travels to Scotland to link up with Scottish Det. Boyd, following the resurgence of a serial killer who's crimes match an unsolved case that he looked into 5 years previous in Chicago.