The story starts with the special birthday celebration of a girl. Vasudevan (Sivaji Ganesan) narrates the story which goes back 14 years behind. Karunakaran (S. V. Subbaiah) and Vasudevan (Master Baji) are brothers whose parents had died. They are very much loving and close to each other but Vasudevan longs for mother's love.
| Actor | Role |
|---|---|
 Sivaji GanesanVasudevan | Vasudevan |
 PadminiSulochana | Sulochana |
 M. N. RajamPrabha | Prabha |
 S. V. SubbaiahKarunakaran | Karunakaran |
 RaginiNeela | Neela |
 K. A. ThangaveluKalamani | Kalamani |
 K. SarangapaniRao Bahadur Ponnambalam | Rao Bahadur Ponnambalam |
| KK. N. KamalamAkilam | Akilam |
| MMaster RaviRavi | Ravi |