Writing
Scientist Murugan has a formula that can harness energy from lightening. A rival wants it for his evil plans. When Murugan disappears, his brother goes around the world to find him and save the world.
Manickam, who was raised by a farmer, finds out that Thangappapuram, a rich businessman, is his biological father. When Manickam reveals his identity, Thangappapuram does not believe him.
Mahesh is an educated young man whose father is an extremely orthodox person and a strong believer of the caste system. Kamakshi, his sister, bears a child from her lover and tries to hide the truth.
Thangathile Vairam is a 1975 Indian Tamil-language film directed by K. Sornam, starring Sivakumar, Sripriya and Jayachitra in the lead roles. Kamal Haasan played a prominent role in this film. The film story written by Kalaignanam.
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.
