The Kapoors have always wanted their only son Rahul (Imran Khan) to be a go-getter and have groomed him appropriately since childhood. But when Rahul is sacked from his new job in Las Vegas around Christmas, he is compelled to visit a psychotherapist to give vent to his insecurities. There he meets Riana Braganza, a hair stylist who has recently broken up with her boyfriend. Riana and Rahul bond over drinks and paint the town red on Christmas eve. The next morning, they discover that during their drunken spree last night, they got married. They decide to annul the marriage but due to Riana’s inability to pay rent, her landlord evicts her and she lands up with Rahul again. Then a friendship develops between them over the course of the next few days which includes a trip to India.