Kerala Police is about C I Sathyanath (Mani) who is an honest cop, does not take recommendations and is courageous with his find of convicts. However, he hails from a backward class and is always looked down upon by his colleagues Mukunda Varma (Baiju) and Venugopal who hog the limelight and credit for Sathya's deeds. He gets into the wrong books of seniors for his honesty but then his only guardian angel is the Superintendent of Police Philip Tharakan (Innocent) who protects him all the time.
Meanwhile, Sathyanath is assigned the task of investigating the murder of ...