Sivagamiyin Selvan

Pilot Ashok (Sivaji Ganesan) is in love with Sivakami (Vanisri) and she becomes pregnant. Ashok dies in a plane crash but soon he dies too. She is now on her own with her new born child whom she gives to a rich family to look after. She works there as a servant and she tells the rich person about her past. Meanwhile, the wife's brother R.S.Manohar wants to marry her. When she rejects his proposal, he tries to rape her. Her son kills him with a knife. She confesses to the murder.