K Bhagyaraj plays the role of a commando captain who visits his hometown after many years of his elope in childhood. He keeps his identity secret to all villagers. He witnesses his sister, father and lover anxiously anticipating for him for years. His love interest Pavunnu(Rohini) ignores him and blasts him as and when she encounters him. K.Bhagyaraj too playfully bullies her and teases her. But who is Bhagyaraj really? Will he marry Pavunnu forms rest of the story.

The respectable college teacher Rajan (Nazir) marries Sindhu (Sheela), the orphaned inmate of a home for destitutes. The feudal conservative hypocrisies of the hero’s family are graphically criticised: Rajan’s cousin Chandran admits he once had sex with Sindhu, and Rajan’s snooty brother, the doctor Jayadev, fathered Sindhu’s daughter Bindu. Sindhu further confesses on her wedding night that she suffers from venereal disease.

Kannayiram loses his son to kidnappers and is jailed on false charges. Later, he finds a new direction in life and decides to save the life of the jailer's son who is kidnapped by other inmates.