| Director | Pavithran, V. K. Pavithran |
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One day, a lady called Chettiyar Amma finds a man shivering due to intense cold weather in a truck which arrives in Top Slip, Pollachi. She immediately rescues him and treats him like her own son. The man, who prefers not to speak much, is called as Mottai by the people over there as a reference to him being bald. He gets employed as a driver to Usha, the only arrogant daughter of a rich landlord Koopu Konar. One day, Mottai, while replacing a tyre for Usha's car, lets something slip from his pocket, Upon retrieving the card, Usha is shocked to learn of Mottai's identity as Suriyan, an IPS officer serving in the Special Security Force, who is on the run after murdering the Union Home Minister. When she threatens to expose him, Suriyan rvelas that had he not killed the Home Minister, the nation would have lost the Prime Minister. Suriyan then reveals his back story.
During an international summit in Bangalore, the Union Home Minister urges Suriyan to devise a strategy to assassinate the Prime Minister of India promising him a few thousands of dollars in return. Suriyan gets furious and kills the home minister for which he is wanted by the police. Suriyan escapes from them and hides in Top Slip as he previously overheard home minister's conversation to his henchman Micky. Suriyan hides his identity and keeps monitoring the forest to trace the activities of Micky, so that he can prove his innocence.
Usha falls in love seeing Suriyan's dedication to nation. She elopes from her house and marries Suriyan contrary to her father's wishes. Meanwhile, Suriyan finds some suspicious activities in the forest and keeps track of them to gather evidence. Finally he finds out that Micky is under the protection of Koopu Konar and Micky plans to assassinate Prime Minister during his visit to Pollachi. Police trace the whereabouts of Suriyan and arrest him. Micky and Koopu Konar plan to kill Suriyan, so that they are saved. Koopu Konar secretly plants a bomb while visiting Surieyan in prison, but unfortunately, Koopu Konar himself gets killed in the attack. Suriyan escapes from prison and finds out Micky and kills him. In the end, the Prime Minister visits Surieyan and thanks him for his dedication.