Sanjai, a fearless and upright police officer, is transferred to a new city. He lives with his widowed mother and sister. He also has a half-brother Ashok and a stepmother. Ashok works for the corrupted minister Sabapathy who is involded in liquor smuggling, procuring and illegal gambling. One day, a corrupt police officer Sridhar tries to rape an innocent girl Anjali. Sanjai arrives on time : he saves Anjali and he beats him. Sanjai later gets married with Anjali. Sanjai strongly supports the politician Sathyamoorthy. Sabapathy decides to target Sanjai's weakpoint, his wife Anjali. What transpires later forms the crux of the story.