In Malaysia, the single mother Thulasi (Sai Dhanshika) lives with her twin daughters Meera (Varnika) and Tara (Varsha). Her husband Sathya is missing, and she cannot return to India. Caught between financial issues and visa issues, Thulasi decides to work in a grocery store. One day, all of a sudden, Tara dies. Dr. Murali (Shankar Srihari) tells Thulasi that her daughter had Long QT syndrome, and she learns that Meera is diagnosed with the same illness.

Thulasi takes Meera to a hill station, where she starts behaving mysteriously. Thulasi soon learns that Meera is possessed by a spirit. The spirit was of a girl who once resided in the hotel with her father. Once, her father gets a lump amount as he had a profit, but his friend gets to know, and he blackmails him by saying that he kidnapped his daughter. Her father unknowingly gives the blackmailer

the money and he doesn't know who the guy who was blackmailing is. He tells this to his friend without knowing he was the one who blackmailed him. He says to his friend that he is going to make a complaint. His friend suggests for him not to, but the father proceeds, while having lunch with his only daughter. Unknown to him and his daughter, the food is mixed with poison. His friend brings a local gang and makes the murder look like a suicide, and the spirit narrates to Thulasi in the midst.

Thulasi learns that if the spirit stays in her daughter's body, her daughter will survive, so she pleads for the spirit to stay, and even the spirit agrees. but the man learns of this. He goes to kill thulasi and her child but instead slips from the cliff. The spirit apologizes as this was her wish and thus leaves Thulasi's body. Thulasi wants to see her daughter live, so she calls Murali and requests him to take her daughter along with him to India and leave her daughter in her hometown. She says she will soon leave all and commits suicide so that as a spirit, she can enter her body in order to save her from her disease.