Meanwhile, Baba, a terrorist in prison plans to murder the CM, Ravi Menon with the help of police commissioner, Gowri Shankar. This is because Ravi Menon was the man behind Baba's imprisonment. However Sahadevan foils the plan as his dog Arjun sacrifices himself while retrieving a time bomb from the hospital where the minister was undergoing treatment. The blame is put on Sahadevan by Shankar but he is saved by the Deputy Inspector General of Police who is his father's friend.