A group of college girls, driving a light blue matador, arrive at Chola Picnic Village. They book a hotel room by a picnic spot. At night they go out to the beach, light a bonfire, and enjoy singing and dancing. After the song ends, the girls return to the hotel. One of the girls, Vasanthi, separates from the group. She comes across a pi shaped bell stand, and rings it three times. A man, P.R.K, appears, riding on a carriage. He looks into her eyes, and rides Vasanthi down, grabbing her hair and kidnapping her.
The next scene shows Raja entering into the Chola Picnic Village. He takes some photos, and comes across the pi shaped bell stand. A beldam is found to sit below it, and he snaps a photo of her. Wandering farther, he finds a priest, and introduces himself as Assistant Editor for the Dhinamurasu Magazine. Raja asks about a girl's body, that four to five days ago, was found floating by the Picnic Village's beach. He says that the police reported the murder as a suicide, and that he would like some clarifications. The priest refuses to answer, and Raja takes a photo of him. Lakshmana, the younger brother of P.R.K, shows up, smoking a cigarette. Raja leaves.
Chandran is the editor of the Dhinamurasu Magazine. He and Raja develop the photos and Chandran asks Raja how he is getting such sensational news. Raja tells Chandran he has a source in the suspect's house. Her name is Uma, and she is a stenographer. The suspect is none other than MLA Saanthanathan. The phone rings in the MLA's house and Velu asks Uma to answer the phone. She picks up the phone and says that a person named P.R.K wants to talk with MLA. Uma overhears their conversation through her phone. P.R.K tells Sattanathan that an editor came to Picnic Village to enquire about the girl's death. Saanthanathan says that he will take care it.
The next morning, Chandran receives a phone call at his office from an inspector who asks why the newspaper is carrying on an unnecessary investigation. Chandra tells him to mind his words. Vijay, a friend of Raja, joins the magazine. Raja and Vijay stay in Devi's house for rent. The next day, Raja brings Uma's blind father and leaves in her house. There Devi is found seating.He says to her that in two-three days he wants some clarification's regarding the Picnic Village. Vijay-Devi and Raja-Uma were fall in love together. When the birth day of Uma, she was killed by MLA in front of Raja. The case is sent to DSP Deenathayalan for investigation.
Then the scene shifts to a newly married couple, Ramesh and Shanthi, honeymooning at Chola Picnic Village. They spend the time merrily, but during that time they are being watched by the beldam. By the time Maamarathu poo song finishes, it becomes night and when the couples are involved in romance in the hotel room, P.R.K comes and makes karthik fall down unconscious. Then Shanthi escapes from the village, where she is being helped by passerby whose car suddenly stops. When P.R.K opens the gate of the village and approaches her to kill her the car starts and that passerby admit her at a hospital. He also informs vijay about a girl who was coming undressed from the village and he has admitted her in a hospital. By the time raja arrives there,one of Sattanathan's people go there to kill Shanthi. He hide in shanthi's room to kill her. Raja comes there in time and he is stabbed by that thug. Raja also kills that thug and brings Shanthi to DSP's house and dies there. Vijay gets disheartened on seeing this. Then Peter, Ramesh, and Vijay all join hands in order to know the reason why P.R.K does this. After this P.R.K gets everyone and chains them. He also reveals that he loved someone, especially her eyes but she cheated, so he wanted take eyes from the girls he see, actually Beldam is his step mother who gives him info about the girls. At last DSP gets to know about this and punishes everyone. Ramesh and Shanthi rejoin thus making the end of silent eyes.
The film score and the soundtrack were composed by film composer Manoj - Gyan and additional music was composed by Aabavanan. The soundtrack, released in 1986, features 6 tracks with lyrics written by Aabavanan.