The story revolves around Sallu (Danish Taimoor) who hopes to make it big in showbiz someday.

While Sallu's story is set in Karachi, there is another track in Lahore featuring Haya (Janita Asma) who flies to Karachi to receive Shehryar (also Danish Taimoor) who arrives from Sydney and is all set to succeed his grandfather and run the company Haya works at.

Meanwhile, a dreaded don Shera (Shafqat Cheema) hatches a plan to kidnap Sheheryar for his wealth and sends his top but lazy and fool henchmen (Danish Nawaz and Nauman Jaffery).

[8][9] On 15 March, the teaser trailer was revealed on TV channels under ARY Digital Network.

On 18 May, another character poster was revealed featuring Shafqat Cheema with his gang, playing the villain's role in the film.

The theatrical trailer was revealed on 3 June by TV channels under ARY Digital Network.

[12][13] Two video songs, "Selfiyan" and "Kundi", were released on 15 June, which received a negative response on social media.

In reply to critics, the director said, "When we started writing the film even then we knew we would get good reviews, and we will come across bad people.

[21] The film released across Pakistan on 79 screens competing Bajrangi Bhaijan and Bin Roye.

"[23] Asad Haroon of Dispatch News Desk said, "Wrong Number is a slapstick comedy filled with humor.

The script of the movie wasn’t predictable that much but the dialogues were totally unpredictable and funny to such an extent that one could say that I didn't see that coming.