Saheb Biwi Aur Gangster is a crime drama. The movie revolves around three characters Raja (Jimmy Sheirgill), his beautiful wife Raani (Mahi Gill), and an ambitious young man Babloo (Randeep Hooda). Raja belongs to a royal family and lives in an ancestral royal house with his wife Raani. Due to the changing financial circumstances, Raja tries to maintain his financial status by getting involved in the crime world. Meanwhile, Raani betrays Raja by having an affair with Babloo, a member of the rival gang, who wishes to kill Raja.