 The film opens with a mother and son (Kaviyoor Ponnamma and Biju Menon) coming to Hardwar to perform last rites of her elder son who had run away from home and is believed to have died. But the mother sees her long lost son on the banks of River Ganga and takes him back to the family. He is Bharath Pisharody (Mohanlal) a brilliant Sanskrit professor who is respected and loved by everyone including his cousin and lover Meera (Padmapriya). But on his day of marriage he runs away leaving behind a heart-broken Meera and her father (Murali). Now Pisharody is different man and his family and friends believes that he is on drugs. But actually, the man is mentally disturbed as he suffers from deep depression. Soon his brother discover papers relating to his treatment for mental illness from his locked suitcase. Now everyone starts seeing him in a different way, which leads to the final twist. How Meera helps him come out of this difficult situation in life forms the rest of the gripping tale.