Nandha ( ) is an upright sub-inspector of police who has been transferred 15 times in three years. He is then transferred in a police station based in . There, Police Inspector Pandian ( ) is in the pay of Minister Periyannan (Rajagopalan), who runs in own government in the place. Nandha is shocked to note that Pandian and the entire police department are corrupt. Thereafter, Nandha tries hard to enforce the order. Soon, both policemen clash. Pandian becomes an honest policeman after Periyannan’s men attempt to kill him, and he is revived with blood transfusions from the public. However, Nandha does not believe that he has truly changed. After a fellow honest sub-inspector gets killed by Periyannan’s men, Nandha blames Pandian, and through short routes, becomes inspector himself. He arranges for Periyannan and his men to clash with Pandian, but in the ensuing fight, Pandian kills them all, while Nandha walks away. The music was composed by . The movie opened to mixed reviews from critics. gave the film 2.5 stars out of 5 and wrote, “This is pucca masala material and Babu Thooyavan does a fairly good job with it until the interval point. But the film fails to pick up steam…the script just fizzles out. There are no thrilling cat-and-mouse games and in their place all we get are predictable situations, a mood-killing love track…and a tame climax that is utterly disappointing”. wrote, “If the director had avoided the temptation of including “necessary commercial elements”, would have been a quality film”. gave it 1.5 stars out of 5 and wrote, “There are a few well-written dialogues, but a clichÃ© ridden script, and ordinary execution by the debutant director makes Katham Katham a total waste of time”. called it “undoubtedly one of the worst films of the year in terms of story and production values”