The film stars Prem Nazir, Sathyan, Sheela in the lead roles.
This was the first dual role of Sheela and the first ever well made, seamless double act in Malayalam cinema.
[1][2][3] Surendran joins a new company whose owner T S Muthaiah has twin daughters, Susheela and Sushama.
Unable to stay in the same house as Surendran and her sister, Sushama leaves home and her father disowns her.
Muthaiah leaves all his property to Susheela in his will but on his death bed, he has a change of heart and wants to alter his will, but dies before it can happen.
Still in love with Surendran and unable to move past him, Sushama tries to commit suicide and Balan asks Susheela to come and see her.