Andha Naal

Sivaji Ganesan is a Radio Engineer and a scientist. Pandari Bai is a college student and a patriotic woman. In a strange situation they meet, fall in love and get married. On a business trip Sivaji goes to Japan becomes their spy and wants to avenge his home nation. Sivaji gets murdered. The film narrates the police investigation and zeroes in on finding the culprit of Sivaji's murder.