Guddu Rangeela is an action black comedy thriller that movie revolves around two cousins, Guddu (Amit Sadh) and Rangeela (Arshad Warsi), who run an orchestra in the day and become informants in the night. They provide information about the rich families to the local goons and earn easy money. Despite having contrasting personalities, the two share a strong bond and work together to make the ends meet after suffering a tragic past because of gang lord Billu Pahalwan (Ronit Roy). The two decide to make easy money by kidnapping Baby (Aditi Rao Hydari), Billu’s sister-in-law. However, instead of money, the two get the wrath of political power and have to suffer tragic consequences.