A police constable, Muruganantham, and his 10-year-old son Rasu get trapped in a building surrounded by a group of enemies. They must find a way to escape and survive. Muruganantham reveals his plan to avenge the death of a girl named Pavithra, and with the help of weapons from the police station, he fights back against the enemy. After a fierce battle, he reunites with his son and they leave the building.