Kaalamellam Kaathiruppen starring by vijay and Dimple. Kannan (Vijay) is the only son of Jaisankar and Sri Vidya. Since he's rich, Kannan spends a lot of money everyday. Kannan is in charge of arranging the college cultural function. He happens to hear Manimekalai (Dimple) sing in a temple and he asks her to sing in the college function. But she refuses. All of Kannan's attempts to make her sing fails.
In that process Kannan falls in love with her. But, Manimekalai hates him. She gets him arrested for eve-teasing and triggered by that, later Kannan tries to marry Manimekalai by force. That fails miserably. To forget all these and to start a new life, Manimekalai goes to Ooty and joins Karan's company. Kannan follows her to Ooty and this time he wants to ask apologies to her. Manimekalai tries to make him leave Ooty. But finally she can't hide herself to love him.