Not Reachable is a 2022 Tamil-language crime thriller directed by Chandru Muruganantham. The story begins with a distress alert via the Kavalan app about the kidnapping of an IT professional named Varsha. However, when the police arrive at the reported location, they discover the body of a different woman, leading to confusion and a deeper investigation. Officers Kayal (Subha Devaraj) and forensic expert Vishwa (Vishwa) are assigned to the case. Their inquiry uncovers a complex web involving another woman, Hema (Sai Dhanya), who is battling severe depression and has attempted suicide. The narrative delves into the psychological aspects of the characters, exploring themes of mental health and personal trauma.

As the investigation progresses, the film reveals a series of murders connected by a common thread, leading to a shocking revelation about the killer’s identity and motives. The climax offers an unexpected twist that ties the narrative together, providing a poignant commentary on love and vengeance. While the film employs familiar tropes of the crime thriller genre, its focus on character development and emotional depth sets it apart. The performances, particularly by the lead actors, add authenticity to the story. Despite some pacing issues, “Not Reachable” delivers a compelling tale that resonates with audiences seeking a blend of suspense and emotional storytelling.