Akhandanand Tripathi AKA Kaleen Bhaiya, the uncrowned king of Mirzapur, runs a drug and arms business under the guise of a carpet manufacturing company. One night, his son Phoolchand Tripathi AKA Munna Bhaiya, known as the Prince of Mirzapur, accidentally kills a groom with celebratory gunfire while dancing at his wedding. Kaleen has a much younger wife, Beena Tripathi, whom he continually fails to satisfy in bed. The deceased groom's family hires Ramakant Pandit, a fearless and idealistic lawyer.