Aik Gunnah Aur Sahi is a Pakistani Urdu film directed by Hassan Tariq, and based on short story "Mummy" by Saadat Hassan Manto released in 1975.
He brings her to his house where she is shocked to see her father-in-law, the same person who had spent a night with her.
It ran for 52 consecutive weeks in Karachi and became a platinum jubilee film.
[1][2] Sabiha Khanum's performance in the film was met with critical acclaim.
[3] While commenting on her performance, a reviewer noted that despite overacting sometimes and being pretentious, she managed to give a good performance... a 'Madame with a heart of gold' who is constantly helping destitute women down on their luck'.