Balarama promises Subhadra to get his daughter married to her son. But when the Pandavas loses their kingdom to the Kaurava's, Balarama breaks his promise.
Viswam and Sarada loves each other and gets married. But when Viswam gets impotent because of an accident, a lot of changes and problems occur in their marital life.
Kanyasulkam is an adaptation of the popular Telugu play of same title. The film deals with prejudices of contemporary Indian society such as child marriages.