The town of Rawanpur witnessed 999 crime cases being solved by Dabbang police inspector, Chandramukhi Chautala (Kavita Kaushik) along with her loyal peeps, Billu and Gopi. As a new case arrives, Chandramukhi, Billu and Gopi come together to solve a heinous crime, one that leaves all that they worked together for, to be questioned.

The track unfolds when the 1000th crime surfaces in the city of Rawanpur and a situation as puzzling as it can get, arises as Gopi slaps his sidekick, Billu.

Amidst the confusion and chaos of this crime, Gopi's slap on Billu's cheek echoes through the city. However, when Chandramukhi demands an answer from Gopi regarding his actions, a clueless Gopi stares back at her with disbelief. How and why would Gopi slap his only confidant and then refuse of any such thing having happened? As a curious Chandramukhi decides to solve this confusion, she stumbles upon evidences that open a gateway to solving the crime that is simultaneously occurring in the city. A fascinating piece of information that Chandramukhi uncovers in the meanwhile is that as this is her 1000th case, this is also the criminal's 1000th crime.

With fierce competition, a ticking clock and Gopi's loyalty at question, will Chandramukhi be able to solve her mega 1000th crime just in time?

Tune in to watch this 1000th blockbuster episode of FIR on 5th September 2013 at 10:30 pm only on SAB TV!