"Khushi" is a story of today's fiery youth, which is the generation next. A boy and a girl love one another but because of their inflated ego's do not express their love to each other. Karan (Fardeen Khan) is born in Calcutta while Khushi (Kareena Kapoor) is born in Chamoli, a village in Gadhwal, UP. Inspite of this distance between two they are destined to meet. How they both get together? One can say its a miracle of Destiny. Karan wants to go to Canada for further studies but due to an accident that he encounters,he is forced to continue his studies in Mumbai University, by his father (Navin Nischol). Khushi's father (Amrish Puri) believes that for a girl the education that she has received is enough and now she should stay with him and mary a boy who is ready to be his son-in-law (Ghrajamai). But Khushi insists on pursuing her education in Mumbai University. At the University Karan has a friend called Vicky and Khushi's friend is Priya. While Vicky is an orphan Priya is the daughter of an underworld Don. Vicky and Priya love each another but their love appears doomed. Karan and Khushi decide to help Vicky and Priya come together. In this process while helping Vicky and Priya, Karan and Khushi come close to each other, But they keep fighting with each other on the smallest of issues. It is these fights that ignite and strengthen their love . This they realise that the time has comes for both of them to go their separate ways. Both make desperate efforts to meet one another. But do they succeed in meeting each other? Do Karan & Khushi become one? The answers to these questions will be discovered in the film Khushi!