The story of the film revolves around two sisters; Shabana and Farzana (Babra Sharif in a double role). They are identical twins who have very different personalities. Farzana is a shy and innocent girl, whereas her sister, Shabana, has a lively and confident personality. Farzana works as a secretary to the wealthy playboy, Akhter (Shahid). He lusts after Farzana, but is unable to seduce her. He finally manages to trap her by promising marriage. A secret marriage takes place between them, attended only by Akhter's closest aides and a dubious maulvi. After consummating the marriage, Akhter informs a stunned Farzana of his true intentions. When she refuses to leave quietly

The first film shot and developed in FDC (Film Development Corporation), Asiya was directed by Fateh Lohani. Focusing on the life of a village belle, the asset of the film was its music, composed by legendary folk artiste Abbasuddin Ahmed (Samar Das and Abdul Ahad also composed numbers for the movie after Abbasuddin's demise during the making of the film). Featuring Sumita Devi, Qazi Khaleque and Shaheed, the film received the prestigious President Award of Pakistan in 1961.

Arshad and Hamid fall in love with Aneela. Hamid is willing to sacrifice his love for Arshad, as he is the son of Saith Ahsan Ali, who brought up Hamid after his father died in an accident. However, Aneela must make her decision.