A thief breaks into a wealthy man's house unaware that the man is his father, who had abandoned his mother and him a long time ago.
One day, a landlord belonging to a rich family gets murdered and the crime is imposed on Anandar, his innocent brother, and his lovely wife Karpagavalli.
Thampi and Menon decide to strengthen their relations. Thampi decides to marry Madanika and Menon decides to marry Prasanna. Ayyappan is shocked by the marriage plan attempts suicide. Prasanna sympathises with the desperate lover and marries Ayyappan against the wishes of her brother.
Vaikuntam is a lad who lives in a village. He is a good singer and in love with a lass Nagammal. But Nagammal's brother is against their love. One day he ties Vaikundam to a tree. Vaikundam was rescued by a rich woman who was passing that way. She takes Vaikundam to her city. When she came to know that Vaikundam is talented in singing, she promotes him as a singer. She renames him as Geethamani. He becomes famous and also rich. He neglects his parents and ill treats them. His lover Nagammal tries to commit suicide because of his behaviour. How Geethamani realises his delusion and reconciles with his parents and Nagammal forms the rest of the story.
Chidambaram Pillai, a revolutionary leader, starts the first shipping company in India. With the help of this company, he fights against the monopoly of the British over maritime trade out of India.
Meera, a zealous devotee of Lord Krishna, considers him to be her husband. She gets married to Rana Bhojraj, but follows her own way of living which is not acceptable to her husband and the society.
A small time criminal turns over a new leaf with the help of a bishop and starts leading a new life with a changed identity. When Inspector Javert finds out about this, he tries to expose him.
Based on 'Vishnu Purana', the film deals with the story of Prahlada and his devotion to Lord Vishnu.
In order to obtain supreme power, an evil saint must sacrifice 1000 men. Soon, he hatches a devious plan and persuades a princess to pose three extremely difficult questions to her suitors.
