Cold Case (2021) is an Indian Malayalam-language crime thriller that blends investigative drama with supernatural horror. Directed by Tanu Balak, the film follows ACP Satyajith (Prithviraj Sukumaran), a sharp and methodical police officer, as he investigates a mysterious case involving a skull discovered in a river. Meanwhile, a journalist, Medha (Aditi Balan), experiences eerie paranormal events linked to the same case. As both pursue different approaches—science versus the supernatural—their paths gradually converge, revealing a shocking truth about a gruesome murder.

The film intricately weaves forensic analysis with ghostly elements, keeping the audience engaged with suspenseful twists. With its gripping narrative and eerie atmosphere, Cold Case explores the clash between rationality and the unexplained. Though the film received mixed reviews, its unique combination of investigative thriller and horror elements intrigued audiences. The climax unveils a chilling revelation, making it a compelling watch for fans of crime and horror genres.