The movie starts with Keshav (Akshay Kumar), and his girlfriend (Sana Khan). The two are getting married to different people. Once he sees her off, Keshav wanders back home to attend his own wedding. There, his brother, Naru (Divyendu Sharma), and his father, Pandit Ji (Sudhir Pandey), are waiting on his ‘mandap’ with his bride-to-be, Mallika. Turns out, Mallika is their buffalo, that Keshav needs to marry to clear out the ‘dosh’ in his Kundali. After the wedding takes place in presence of the village people and Keshav’s family, Pandit Ji reveals another twist in Keshav’s marriage. He exclaims that he would only marry him off to a girl who has 2 thumbs on her right hand, due to another ‘dosh’ in his ‘Kundali’. Keshav and Naru then set on a small business-related trip to get raw material for their cycle shop. While Keshav is peeing with an unbolted door in the train, Jaya (Bhumi Pednekar) walks in on him. The two then get involved in a banter, and when Bhumi finally turns to face him, Keshav falls head over heels for her. Their next encounter takes place when Keshav, who does not know its Jaya’s house, goes to deliver a cycle.
From here on a long session of stalking ensues, as Keshav follows Jaya around and clicks pictures of her. When Jaya sees her picture on a hoarding of Keshav’s cycles, she storms into his office to get him to take it down. The next time when they see each other at a Holi celebration, Jaya finally scolds Keshav for stalking her, to which Keshav promises that he will never be around her again. A confused Jaya then starts feeling Keshav’s absence around her, and storms into his office once again, but to confess her love. The two then start dating and Keshav approaches Jaya’s Family for her hand in Marriage. Jaya’s family agrees, and the trio, Keshav, Jaya, and Naru, come up with a plan of planting prosthetics on Jaya’s thumb to get his father to agree to the wedding.
After marriage, Jaya finds out that Keshav’s village has no toilets, and that women, collectively go to the forests in the morning to do their business, and call this group, the Lota Party. On the first day, a reluctant Jaya joins the Lota Party, but is unable to follow the norm for the village and defecate in the open. She rushes back home and asks Keshav to build a toilet for her. Keshav tries to talk to his father at lunch, but he blatantly refuses to do so due to Indian culture. Pandit Ji gets angry and leaves the food as it is. The next day, Keshav comes up with the idea of taking Jaya to the Pradhan’s place, as theirs was the only house in the village with a toilet. Jaya comes back and tells Keshav to find a better solution, as this could not be permanent. Keshav takes Jaya to a farm and a turn of events ensures that her father-in-law sees her while she is pooping. The event leaves Jaya aggravated, and she clearly refuses to do the same ever again. Keshav then finds another solution, to take Jaya to a train when it stopped near the village for exactly 7 minutes. Things go smoothly for a while until Jaya gets locked in the bathroom and the train leaves. Jaya then decides she would not return to her in-law’s house, unless they built a toilet.
The news gets publicity and a heartbroken Keshav also decides to win Jaya back and do every possible thing for the same. After trying his luck with the Panchayat, Keshav goes to the Sanitation ministry in Lucknow and the government official tells him how, the scams that he had threatened him with, were not the biggest reason for the lack of toilets in their village. He then decides to file a PIL. When he finds out that it would take the government almost a year to take any action, he goes home and gets started on building a toilet against his father’s wishes.
The day after the toilet is built, Keshav is woken up from sleep by loud thuds. When he goes out, he finds men breaking the toilet apart, on the orders of his father and the sarpanch. He beats all of them off and tells off his father for breaking his ‘Taj Mahal’ for Jaya. When Jaya finds out about this, she comes up with a plan and they file for divorce. On learning about this, the media goes crazy for the story and all channels stat covering it. When the chief Minister learns about this, he orders his peon to lock the toilets of all the offices that the file, that sanctioned the building of a toilet in Keshav’s village, would pass through, the philosophy behind this was that once the government officials in these offices felt the pain of the couple, they would act fast.
On the day of Jaya and Keshav’s divorce hearing, the other ladies from the village reach the courthouse to file divorces and follow in the footsteps of Jaya. The judge receives a notice from the CM Office during the hearing, and declines the divorce appeal. The letter had stated that Keshav’s village’s common toilet had been sanctioned. Back at Keshav’s house, his grandmother falls while leaving for her morning defecation. Fate has it, that, Pandit Ji had to take his mother to Keshav’s half broken toilet to relieve herself. Returning to the courthouse. The audience can see a very upset Keshav, because he could not give Jaya a personal Toilet. Pandit Ji walks in from behind and asks for Jaya’s forgiveness, and accepts the couple’s toilet plea.