Raja, the son of a rich man who was cheated of his wealth by Jambu, grows up in an orphanage. He becomes a famous poet in the city with the help of Jambu's family, unaware of his past.
A king Parthiban (Ramadas) gifts a rare anklet (salangai) to a dancer Aparajita (Kumari Madhuri). She begets the king's son, Amarendran and hands him over to a priest along with the anklet.
A young boy discovers the existence of a group called the Mooncussers - a gang of pirates that work at night and sends out false homing signals to ships at sea.