Walter Vetrivel (Sathyaraj) is an IPS officer. Sumathi (Sukanya (actress)) is a dancer and a witness to a gang who film people being raped. Walter falls in love with Sumathi after seeing her helping disabled children. Their marriage gets fixed. But Walter's younger brother worries that Sumathi has seen him taking the photo while villains try rape to rape her. She tells the villains the place where Walter hides Sumathi. The villains beat Sumathi severely and she becomes blind. Walter and Sumathi get married.