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 Bhoomi's life on the right track. But things don't go as planned. Muthuramalingam's adversary threatens to kill his daughter Meera (Asin) as a revenge against his own daughter's fate. So Bhoomi is given the job of Meera's bodyguard at college. Meera goes to college with her friend Madhu but is irritated by Bhoomi's presence everywhere. So she devises a plan.
Jayakrishnan, a bodyguard, is an innocent man who respects his boss and his daughter. He falls in love with a girl whom he has never met, unaware that she is his boss's daughter.
Chandrashekhar lives alone in a dark and violent city. Even with crime occurring all around him, he withdraws from all responsibility and lives quietly. Soon, change is forced upon him in order to catch a serial killer. Like a grandmaster who anticipates his opponents moves well in advance, he proceeds forward. But only once, just once, he makes a fatal mistake.
