Kunal and Sonia two engineering students start conning various people in different states and leave the trademark logo of Bunty Aur Babli.Rakesh Tridevi (Bunty) and his wife Vimmi Saluja Trivedi (Babli) are living normal middle class lives since last 15 years after they stopped coning people.Inspector Jatau Singh arrests the two thinking they are back in market to con the people but finds they are innocent and someone else is using their names to con people.Bunty and Babli's ego hurts when they find that someone else is using their trademark and conning people,Jatau Singh asks them to support him in getting the current Bunty and Babli arrested or else he might open their 15 year old crime records which are missing.The original Bunty and Babli have no option but to work with him but are unaware that Jatau Singh has plans to get all four arrested and get promotion.