En Thangai

Rajendran (M. G. Ramachandran) watches over his brother, Selvam (P. V. Narasimha Bharathi), a student, and his younger sister Meena. Their mother, Gunavathi (S. R. Janaki) dies and their uncle robs them of their fortune after the disappearance of the patriarch. Meena loses her eyesight during a thunderstorm, and becomes the scapegoat of her brother's wife, Rajam (Madhuri Devi), her sister-in-law, who also begins hating Meena, and Rajam dies in a road