After a chance meeting with a stranger (K.R. Vijaya) on a train, a young man (Shivaji Ganesan) discovers that his father has been leading a double life, unbeknownst to him and his mother. The stranger claims to be his father's daughter and seems to have the documents to prove it. But what if she, too, is being duplicitous? Muthuraman and V.K. Ramasamy co-star.