 Anbuchelvan is part of a group of four officers who work for a special squad of plainclothes officers battling organized crime in Chennai. Violent and laconic, he finds little patience for a personal life, until he turns hero in the eyes of dotty schoolteacher Maya, and embarks on a little romance. Meanwhile, his squad kills the brother of a reckless criminal Pandiyan, but fails to wipe off the entire gang. Pandiyan s boys then take the battle into the homes of the officers, going after their family members one by one.