Sivadas (Kishore) is tough-talking encounter specialist in the police department. He has a mission to pin down a gangster and mercenary and is hot on his trail. But life changes for the tough cop when he brings his only son Hari (Pritviraj Das) to Chennai from his village, where he was brought up by his grandmother. The young boy is autistic and now Siva has to take care of the boy and help him overcome his disability. He consults a doctor Ravi (Yugi Sethu) and admits Hari in a normal school where Amudhavalli (Sneha) is a trained teacher for special children.