Ethirpaaraathathu narrates the story of star-crossed lovers Sundar (Sivaji Ganesan) and Sumathi (Padmini) in whose house Sundar, a college student, lodges.
During the era of Tokugawa Ieyasu, one night a carver named Fujijiro was murdered. Immediately launching an investigation, Denhichi, accompanied by Otoshi and Take, toured the entertainment houses of Ryogoku.
Rai Bahadur Bhujanga Choudhury married Smritikana many years after the death of her first wife. Often she remembers the incidents in her previous life and she behaves in extremely unnatural way.
A handsome newcomer in a village marries a local girl. A year or so later an abandoned baby is left on the couple's doorstep, a baby the man had with another woman.