Harish plays the protagonist role and has no talks where he features as a tedious brain dead youth while Uttara features as the female lead. There is a brain surgeon who has a dread for sound and kills all those people who try to make noise, and finally, he ends up killing his wife. He then makes Harish who is his son brain dead through surgery because he is the witness to the murder. What happens next is the story of Aridhu Aridhu. Watch Aridhu Aridhu movie online.