Sanjay (Sathyam Rajesh) a short filmmaker takes his loyal girl friend Sandhya (Sushma Raj) to his friend's guest house with the ill intention of cheating on her but they are deviated to an isolated bungalow and soon they discover the presence of a ghost Gayathri (Trisha) who is visible only through a mobile camera. What happens to Sanjay and his girl friend and the story behind Gayathri is the rest of the movie.