The story revolves around a seasoned investigator from Chicago who embarks on a journey to Scotland when a new series of murders occur bearing a striking resemblance to a case he had worked on five years ago. To his shock, the crime scenes mirror the tragic events surrounding the death of his beloved girlfriend. Driven by a mix of vengeance and determination, he immerses himself in the investigation, determined to uncover the truth behind these chilling and hauntingly familiar crimes.