Kaavalan: Bhoominathan aka Bhoomi is introduced to us as a person who gets into many local fights. Worried about his future, his family sends him to Muthuramalingam (Raj Kiran), a much respected personality in his place Semmanur, to put Bhoomis life on the right track. But things dont go as planned. Muthuramalingams adversary threatens to kill his daughter Meera (Asin) as a revenge against his own daughters fate. So Bhoomi is given the job of Meeras bodyguard at college. Meera goes to college with her friend Madhu but is irritated by Bhoomis presence everywhere. So she devises a plan.