"Baazigar Baaz" follows Dev, an elite commando known as Baaz, who attends his sister Diksha's engagement undercover in a peon's uniform. He endures extreme humiliation from her elitist fiancé, Vikas, to expose the man’s true nature. After uncovering Vikas’s fraud and infidelity, Dev reveals his identity, saves Diksha, and unites her with his trusted billionaire ally, Ambar Mehta.