Sundaranathan is in love with Padma Bai (A. K. Rajalakshmi), the daughter of the wealthy Somanathan Prabhu. Somanathan Prabhu decides to get his daughter married to Sundaranathan, but a villain lusts for her and her wealth. His gang kills Somanathan and frames Sundaranathan, who is arrested. A doctor hires detective Punjab Kesari to uncover the truth. Punjab Kesari and his assistant Karappanpoochi unmask the killer and the truth. Sudaranathan is exonerated, and marries Padma Bai.[1]