Sivaji Ganesan, Pandari Bai, Javar Seetharaman, P. D. Sambandam, T. K. Balachandran, K. Sooryakala, S. Menaka
Rajan, a radio engineer, is found dead under suspicious circumstances. CID officer Sivanandham unravels the mystery surrounding the murder and the suspects that include Rajan's wife and his brother.