Guddu Ki Gun is an adult comedy-drama. The movie revolves around a young salesman named Govardhan ‘Guddu’ (Kunal Khemu) who is a womanizer and leads a good life in Kolkata. He lands into trouble when he ditches one of his girlfriends, Bholi (Aparna Sharma) who’s furious grandfather casts a curse on Guddu using black magic that turned his penis into gold. The only way Guddu can get rid of the curse is to find true love and stay loyal to her.