When the brothers go in search of a suitable groom for their sister, the three sisters-in-law, steal gold, money and grains from the stores of the house and send them off to their respective homes.
Swearing to destroy Maakkam, Bhayami plots to kill her and poisons her food with the help of the cooks.
Maakkam is also accused of having an illicit relationship with Nambeeshan, a mental patient, played by Prem Nazir.
On the day of the execution, Thacholi Othenan along with his sister Unniyamma and his Kalari students, attack the executioner and others rescue Maakkam and Nambeeshan.
The music was composed by G. Devarajan and the lyrics were written by P. Bhaskaran and Chirayinkeezhu Ramakrishnan Nair.