"13B: Fear Has a New Address" also known as "Yaavarum Nalam" in Tamil, is a gripping psychological horror thriller directed by Vikram K. Kumar that weaves an intricate tale of suspense and supernatural elements. The film follows the story of Manohar, a middle-class professional who moves into a new apartment, 13B, with his extended family. The excitement of their new home soon turns into a nightmare as they experience a series of inexplicable and eerie events.

Manohar, played by R. Madhavan, notices that the events in a popular TV soap opera watched by his family eerily mirror the happenings in their real lives. As the boundaries between fiction and reality blur, Manohar embarks on a quest to uncover the dark secrets of their new residence. His investigation leads him to discover a chilling truth about the building's history and its previous occupants.

"13B: Fear Has a New Address"  is noted for its atmospheric tension, intelligent narrative, and effective use of everyday technology (like television) as a conduit for horror. The film explores the fear of the unknown, the fragility of the mind, and the impact of past traumas on the present. Its unique premise of a haunted TV show adds a modern twist to traditional horror tropes. The film masterfully blends psychological tension with supernatural horror, keeping the audience on the edge of their seats. The plot delves into themes of family, paranoia, and the unknown, as Manohar races against time to save his family from the sinister forces that seem to have taken hold of their lives.

"13B: Fear Has a New Address"  received positive reviews for its innovative storyline, direction, and performances, particularly by R. Madhavan. It was praised for its ability to keep the audience engaged with a well-crafted plot and an eerie ambiance. "13B" stands out in Indian cinema for its fresh approach to the horror genre and its skillful blend of psychological and supernatural elements.