Mauji stays in a village near Delhi with his wife Mamta, father and mother. Varun works at a shop that sells sewing machines, owned by Bansal and his son Prashant. Both have a habit of ill-treating Mauji and make him do fun antics. When Prashant gets married, Bansal invites Mauji and his entire family. Mamta feels humiliated when she sees Mauji being asked to imitate a dog by the Bansals.

Prem Prakash Tiwari (Ayushmann Khurrana) listening to Kumar Sanu is the film’s opening shot. Set in Haridwar, 1990s, the film captures the nascent feel of the town. Prem owns a cassette shop in the local market. His father is keen to get him hitched and the family goes to a local temple to meet Sandhya (Bhumi Pednekar). B.Ed, waiting for a teaching job, the most visible thing about her is her weight. Coming from a patriarchal cognitive set-up, she doesn’t fit the quintessential idea of beautiful. And still, the school drop out Prem must marry her because he is incapable of attaining a girl with ‘Juhi-Chawla-level-of-looks.’ In an elaborate community-wedding ceremony, Prem and Sandhya get married. Their wedding night is uncomfortable with neither treading towards establishing conjugal relations. Prem has in his own reasons and the girl is naturally shy. Next morning on a call, she announces it to a friend and the whole family finds out