Mera Pati Sirf Mera Hai is a family drama. The movie revolves around a married couple - Prakash (Jeetendra) and Roopa (Raadhika), who live a wealthy lifestyle with their daughter Pinky. Roopa doesn’t get along well with Prakash and suspects him of having an affair with someone. Things get worse when a woman named Sharda (Rekha) moves into their neighborhood. Roopa is jealous of Sharda, and thus starts a vile rumor that Sharda has an illegitimate affair with her husband. This creates havoc in Sharda’s life. Will Sharda be able to set everything right for herself?