Rangan (M.G.R) the very loving brother of Thangam, though only a cart puller, dreams of educating his sister, to become a doctor. So, when he learns of his sister's love with Murali (Muthuraman), a doctor, he gets them married, in a grand manner. Murali's mother, after their marriage, learns that Thangam is the daughter of Velappan, her husband's (mill owner Karunakaran) murderer. Thangam is thrown out of the house. Rangan finds out that his father, who is still languishing in jail, had been falsely implicated. He vows to bring the real culprits to book. His fiancé Valli (Jayalalitha), helps him nab the murderers. It is proved at last that justice always wins.

Genres

Cast

M. G. Ramachandran

Ranga

Jayalalithaa J

Valli Ammal

M. N. Nambiar

Nayagam

S. A. Asokan

Dharmaraj

Cho Ramaswamy

Poochi

R. Muthuraman

Doctor Murali

T. K. Bhagavathi

Velappan

Thengai Srinivasan

Nagappan

Ennatha Kannaiya

Ponnaiya

Master Sekhar

Ranga (child)

Vijaya Nirmala

Thangam

Geethanjali

Geeta