Phir Kab Milogi

Sapna (Mala Sinha) is having fun meeting his employee Rajesh (Biswajit) as Paro, and then, in the city as Sapna; and Rajesh falls for the simplicity of Paro. His heart breaks when he realizes both Sapna and Paro are one, and he leaves his job, and goes to a remote village, where he once again meets Sapna, but this time, as a would be of local contractor, Diwan Sahab. She is taken hostage by Teja (Dilip Kumar) because of a confusion that she hit his sister. His sister, realizing that Teja would kill Sapna, lets her go, but Sapna doesn't reach back to her cottage. Would Rajesh ever be able to tell her he loved her; more importantly, is Sapna alive?