Rajalakshmi raises Ramu, an orphan, as her own son who in turn always protects his foster family. However, he must stop his malicious foster brothers from marrying off their real sister to a gangster.
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| Directing | S. P. Muthuraman | Director |
| Sound | Ilaiyaraaja | Original Music Composer |
| Sound | Kamal Haasan | Playback Singer |
| Writing | Pulamaipithan | Lyricist |
| Production | M. Saravanan | Producer |
| Production | M. Balasubramanian | Producer |
| Production | M. S. Guhan | Producer |
| Writing | V. C. Guhanathan | Writer |
| Writing | K. S. Gopalakrishnan | Dialogue |
| Camera | T. S. Vinayagam | Director of Photography |
| Editing | R. Vittal | Editor |