‘Katha Dilam’ is the love story of Sanju, a middle class guy and Anita whose mother Mrs. Sunita is a rich lady. Anita’s mother is against their love. So, Anita and Sanju elope. Sunita sends Ranga to kill Sanju but Ranga finds reflection of his daughter in Anita. Sunita takes Anita back. Jeeban tries to blackmail Sunita and harm them. Sanjay and Ranga fights Jeeban. Ranga get killed before Anita and Sanjay can unite.