Rajnikant a top psychiatrist from America is on an SOS mission to help rescue his best friend Prabhu's wife Jyothika, who suffers from a split personality syndrome. Jyothika and Prabhu live in a huge mansion, once occupied by a Maharaja. Jyothika thinks she is Chandramukhi, a dancer in the Raja's court. Chandramukhi was killed by the Raja in the past. Rajnikant couples his treatment with exorcism to cure Jyothika.