Viswanath (Rajnikanth), a famous lawyer, stays with his widowed mother (Vijayakumari) and physically handicapped sister (Uma). He sends Jegan, a rich magnate's son (Sathyaraj) and Lokaiya, two criminals to jail on the charge of rape and murder of an innocent girl. Jagan’s father, GMK (M N Nambiar) uses his influence and starts creating trouble in Viswanath’s life. GMK succeeds in getting Viswanath imprisoned on a trumped up charge. His heartbroken mother dies. Once out of jail, Viswanath sets out to punish the culprits when he temporarily loses his eyesight.
| Actor | Role |
|---|---|
 RajinikanthViswanath | Viswanath |
 RadhaGeetha | Geetha |
 M. N. NambiarGMK | GMK |
 V. K. RamasamyDhanakodi | Dhanakodi |
 Cho RamaswamyA. R. Chandran/Reddy | A. R. Chandran/Reddy |
 SenthamaraiEshwaran | Eshwaran |
 SathyarajJagan | Jagan |
 Sangili MuruganLe Docteur | Le Docteur |
 K. KannanRamesh | Ramesh |
 A. R. SrinivasanLe Père de Saravanan | Le Père de Saravanan |
 Leo PrabhuLogu | Logu |
 S. N. LakshmiLa Mère de Kalpana | La Mère de Kalpana |
 C. R. VijayakumariLa Mère de Viswanath | La Mère de Viswanath |
 Peeli SivamGopinath | Gopinath |
 K. NatrajHomme de main de G.M.K | Homme de main de G.M.K |
 Ennatha KannaiyaL'Assistant de A. R. Chandran | L'Assistant de A. R. Chandran |
 Pasi NarayananChettiyar | Chettiyar |