Nakulan Ponnusamy, a paranormal investigator and proprietor of Silver Chord Services, travels from Chennai to Munnar where he goes to solve a case of a house believed to be haunted, belonging to businessman Anand Chandrasekar. Nakul spends one full night in the haunted house and conducts his sophisticated paranormal investigation. Meanwhile, Nakul finds that three other investigators belonging to Seventh Sense Parapsychology team also had come to the house for investigation. After some horrible sequences and mysterious circumstances, Nakul is found dead in the house. Daisy, a reporter in a Television Program Metro Crimes, analyzes Nakul's death.