"Kithay Nain" is a Punjabi folk song written by Manzur Jhalla and recorded by Pakistani singer Reshma.
Sethi said, "Reshma ji's song is so powerful that today everyone is ready to do anything to bring it back."
"[1] Protagonist (Sania Saeed) is happily married to a man (Adnan Siddiqui) who seems to be faithful too.
Until she discovered a love letter written by (Mira Sethi) with whom protagonist is having an affair with and finds out that whenever he goes out of the city he lives with her.
She decides to take revenge, protagonist husband comes home, just to open the door, she shoots him and wander in whole house reminisce their memories.