Mohan (Sathyan) is a scientist involved in research. His junior Rema (Sushama) is in love with him and she always preaches about the beauty of the soul. Mohan meets with an accident in the laboratory and his face suffers burns. Rema, who always said that she loved Mohan for his 'beautiful soul', rejects him when his face is burnt and deformed. Rema turns her attention to another young research student, Venu (Prem Nazir). Deformation of his face and the cruelty of his lover forces Mohan into a secluded life. His mother Kalyani Amma's (Bharathi Menon) efforts to console Mohan and bring back him to normal life fail.Ammini (Ambika) is an orphan who loses her eyesight following a fire in the orphanage. Along with Vasu (Muthiah), an inmate in the orphanage, she her earns livelihood by singing and begging on the streets. Mohan gets fascinated by her singing. Kalyani Amma brings her home hoping that she would be able to bring some happiness in Mohan's life. Mohan is mesmerised by Ammini's sweet voice and soon they get married. It was Mohan's confidence that Ammini, being blind will not see his burnt face that resulted in their marriage. They are blessed with a son. Venu comes back after his higher studies abroad in ophthalmology. He advises surgery for Ammini. Mohan is afraid that Ammini would abandon him if she happened to see his face and is reluctant to conduct the surgery.Venu rejects Rema's proposal of marriage. He succeeds in convincing Mohan about the need for the surgery. Ammini undergoes surgery and regains her eyesight. She faints on seeing Mohan's face. In his fury, Mohan picks up a revolver and attempts to shoot himself but finds that the gun was not loaded. Ammini recovers and expresses her true love for Mohan. For her it is the beauty of the soul that matters.acting with joy, beautiful songs expressing more than just the obvious sentiments of love,and dances that convey the full range of human emotion.